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spectrum

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spectr um
光谱

spectral = spectro(光谱) + al(...的) = 光谱的

spectrograph = spectro(光谱) + graph(记录) = 记录下光谱的仪器→光谱仪

+ 表物体

album = alb(白色) + um(表物体) = 空白的东西→用来放 东西的册子

albumen = alb(白色) + um(表物体) + en(人或物) = 蛋白

光谱,范围

[ˈspɛktrəm]
考点解读
  • 托福
  • 雅思
  • TPO词频:19 物理学 听力词汇 阅读词汇 核心词 高频词

    spectrum

    常考释义

    • n. 光谱
    变形词
    • 复数 spectra
    • 复数 spectrums
    托福常考例句

    Clearly, this is a complex issue that requires further field research with a broad spectrum of ecosystems and species: grassland plants and computer models will only take us so far.

    显然,这是一个复杂的问题,需要进一步的关于更多各种生态系统和物种的实地研究,对草地的研究和建立计算机模型只能证明部分问题。

    来源于:阅读TPO46 P3
单词详解
  • 英汉双解
  • 同反义词
    • n. 光谱

      展开
      简明例句

      A spectrum is formed by a ray of light passing through a prism.

      一束光通过棱镜就会形成光谱。

      展开更多
      情景例句

      We ran an RF scan with the spectrum analyzer.

      我们已经用光谱分析仪做了射频扫描。

      来自《芝加哥警署 第2季第10集》

      图片源自网络

      展开更多
      托福考试例句

      Now, visible light consists of different colors or wavelengths, which together make up what's called spectrum, a band of colors, like you see in a rainbow.

      这样,可见光拥有不同颜色和波长,聚在一起就成了我们做说的光谱。光谱是一条五颜六色的缎带,就像你看到的彩虹一样。

      来源于:听力TPO5 L5

      Now, Laser Spectroscopy, which is the focus of your assignment, works by measuring very precisely what parts of the spectrum are absorbed by different substances.

      激光光谱学是你们作业中的重点,它能非常精确地测量光谱中哪一部分被不同的物质吸收。

      来源于:听力TPO5 L5

      It lies in the infrared range of the spectrum.

      它位于光谱的红外线区域。

      来源于:听力TPO28 L5

      He used a prism to break white light down into the various colors of the spectrum.

      他用一个棱镜将白光分解成光谱上的不同颜色。

      来源于:听力TPO27 L6

      This impressive display is clearly visible in the light spectrum illuminating the forest floor.

      在照亮雨林底层的光谱环境下,能够清晰地看到这种让人印象深刻的展示。

      来源于:阅读TPO17 P2

      Ramsay then studied a gas that was present in natural gas deposits and discovered that it was helium, an element whose presence in the Sun had been noted earlier in the spectrum of sunlight but that had not previously been known on Earth.

      拉姆齐经过研究又发现了另一种存在于自然界中的气体元素——氦,该元素在太阳中存在,并且很早就被发现存在于太阳光谱中,但是之前并没有在地球上找到过。

      来源于:阅读TPO16 P2

      Now, visible light consists of different colors or wavelengths, which together make up what's called spectrum, a band of colors, like you see in a rainbow.

      这样,可见光拥有不同颜色和波长,聚在一起就成了我们做说的光谱。光谱是一条五颜六色的缎带,就像你看到的彩虹一样。

      来源于:听力TPO5 L5

      Now, Laser Spectroscopy, which is the focus of your assignment, works by measuring very precisely what parts of the spectrum are absorbed by different substances.

      激光光谱学是你们作业中的重点,它能非常精确地测量光谱中哪一部分被不同的物质吸收。

      来源于:听力TPO5 L5

      You all know how when you take a crystal prism and pass a beam of sunlight through it, you get a spectrum, which looks like a continuous band of rainbow colors.

      你们都知道,当你拿出一条水晶棱柱通过一束太阳光的时候,你会看到一道光谱,看起来就是一束连续的彩虹色彩斑带。

      来源于:听力TPO3 L6

      OK, so we’ve got a spectrum of a beam of sunlight and it looks like the colors bleed into each other.

      那么,我们已经得到了一束阳光的光谱,看起来就像是色彩都相互融合起来一样。

      来源于:听力TPO3 L6

      Well, what happens if the sunlight’s spectrum is magnified?

      那么,如果太阳光谱扩大了会发生什么呢?

      来源于:听力TPO3 L6

      I want you to know this that this spectrum is interrupted by dark lines called spectral lines.

      我要你们知道的是,光谱会被一种叫做光谱线的黑色线条所阻隔。

      来源于:听力TPO3 L6

      If you really magnify the spectrum of the sunlight, you could identify more than 100,000 of them.

      如果你真的把太阳光线扩大的话,你会分辨出十万多条光谱线。

      来源于:听力TPO3 L6

      And if you were looking at the spectrum of some other star, the colors would be the same.

      而如果你观察一下其他星星的光谱,他们的色彩是一样的。

      来源于:听力TPO3 L6

      This light is passed through a prism, which breaks it up into a spectrum.

      光线穿过一块棱柱,棱柱将光线分割形成光谱。

      来源于:听力TPO3 L6

      Spectroscopy is basically the study of spectra and spectral lines of light, and specifically for us, the light from stars.

      光谱学基本上是针对光谱的研究,光谱光线,而特别对我们而言,还有行星发出的光芒。

      来源于:听力TPO3 L6
      展开更多
    • n. 范围;幅度

      展开
      简明例句

      A whole spectrum of opinions is represented in the newspaper.

      各观点均已刊登在报。

      His audience ranges from young children to, on the other side of the spectrum, retired men and women.

      他的观众里既有小孩子,也有退休的老头、老太太。

      She'd seen his moods range across the emotional spectrum.

      她见识过他全部的喜怒哀乐。

      He is popular across the social spectrum.

      他在社会各阶层都广受欢迎。

      Politicians across the political spectrum have denounced the act.

      各党派的政治家都对这一行动表示谴责。

      They have considerable support at both ends of the political spectrum.

      他们受到该政治派别左翼和右翼的极大支持。

      展开更多
      托福考试例句

      Clearly, this is a complex issue that requires further field research with a broad spectrum of ecosystems and species: grassland plants and computer models will only take us so far.

      显然,这是一个复杂的问题,需要进一步的关于更多各种生态系统和物种的实地研究,对草地的研究和建立计算机模型只能证明部分问题。

      来源于:阅读TPO46 P3

      Before A.D. 900, manuscripts of the Koran (the book containing the teachings of the Islamic religion) seem to have been the most common type of book produced and decorated, but after that date a wide range of books were produced for a broad spectrum of patrons.

      公元900年之前,古兰经(写着伊斯兰教义的书籍)的手稿是最常见的印刷和装饰书籍。但是之后,各类资助人资助制作了各式各样的书籍。

      来源于:阅读TPO34 P1

      The five major mass extinctions receive most of the attention, but they are only one end of a spectrum of extinction events.

      虽然我们最关注这五次大灭绝,但是它们只是一系列灭绝事件中的冰山一角。

      来源于:阅读TPO33 P3

      At the least complex end of the spectrum, the few families living in bands are able to meet their own basic needs.

      在社会复杂度最低的范围内,为数不多居住在 bands 的家庭能够自给自足。

      来源于:听力TPO22 L2
      展开更多
    • n. 电磁(频)谱【物】

      展开
      简明例句

      Toothed species in general employ more of the frequency spectrum, and produce a wider variety of sounds, than baleen species (though the sperm whale apparently produces a monotonous series of high-energy clicks and little else).

      齿鲸大都采用更多的频谱产生出各种声音,而须鲸采用的频谱则较少,尽管抹香鲸发出的只是单调而激烈的滴滴声。

      展开更多
    • n. 能谱;速度谱;质谱【物】

      展开
      简明例句

      Now, let's talk about the other end of the acoustical spectrum, sound that is too high for humans to hear--ultrasound.

      现在我们来讲讲另一种声谱,一种极高的乃至人类听不见的声音——超声波。

      展开更多
    • n. 谱线【物】

      展开
      简明例句

      A particular spectrum line corresponds to a certain definite light wavelength.

      某特定的谱线就代表一个确定光的波长。

      展开更多
  • 同义词

    n.范围,界限,区域;

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