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托福
托福词汇

diameter

TPO词频:17次
dia通过
meter测量
直径

[daɪˈæmətər]


【释义】

基本释义 n. 直径

常考释义 n.直径

【变形】

复数:diameters    

n. 直径【数】

【语块】

pipe diameter

【TPO例句】

1. The basin measures an amazing 2,500 km in diameter, and its average depth is 12 km. (TPO5-L2)

该盆地直径达到了令人惊奇的2500千米,平均深度达到12千米。

2. According to this hypothesis, Earth collided with an asteroid with an estimated diameter of 10 kilometers, or with several asteroids, the combined mass of which was comparable. (TPO15-P2)

根据这一假说,地球与一个直径约为10公里的小行星或者总体积与之相当的几个小行星发生碰撞。

3. The largest terrestrial planet, Earth has a diameter only one quarter as great as the diameter of the smallest Jovian planet, Neptune, and its mass is only one seventeenth as great. (TPO16-P3)

比如最大的类地行星地球的直径仅仅是最小的类木行星海王星的四分之一,而质量更是只有海王星的1/17。

4. The channel is only a few centimeters in diameter, but that is wide enough for electrons to follow the channel to the ground in the visible form of a flash of lightning. (TPO18-P3)

这个通道直径仅有几厘米,但是已经足以使电子以一道闪电这种可见的形式通过通道到达地面。

5. The negatively charged region is large: several hundred meters thick and several kilometers in diameter. (TPO18-P3)

带负电的区域非常大:厚度达数百米,直径达几千米。

6. On Mars, there are relatively few craters less than 5 kilometers in diameter. (TPO25-P1)

而在火星上,只有相当少的一部分陨石坑直径小于5千米。

7. This was a small cylinder, usually no more than 3 centimeters high and 2 centimeters in diameter, of shell, bone, faience (a glassy type of stoneware), or various types of stones, on which a scene was carved into the surface.(TPO27-P1)

它是一个小的圆柱体,一般不高于3厘米,直径2厘米,材料为贝壳,骨头,陶器或是各种石头,在其表面刻着一个场景。

8. Scrapes consist of a clearing (about 0.5 meter in diameter) and shallow depression made by pushing aside the leaves covering the ground; after making the scrape, the deer typically urinates in the depression. (TPO28-P3)

刮伤包括了清扫(大概是以0.5米为直径),并使洼地变浅,这种痕迹是通过将地面上盖着的叶子推到旁边造成的;在做好刮伤之后,鹿一般会在洼地上尿尿。

9. Most scientist came to accept the meteorite theory after evidence came to light that a circular formation, 180 kilometers in diameter in diameter and centered on the north coast of the Yucatan Peninsula, was created by a meteorite impact about 65 million years ago.(TPO33-P3)

科学家们逐渐接受了陨星理论,因为他们看到了六千五百万年前陨星撞击产生的圆形构造的证据。该圆形构造直径为180公里,围绕在尤卡坦半岛的西北岸。

10. The largest of these paintings may be up to 5.5 meters in diameter and cover the entire floor of a room. (TPO41-P1)

这些画中直径最大的可能有5.5米,可以覆盖整个房间的地板。

11. The bolide struck an area of the Yucatan Peninsula of Mexico known as Chicxulub, excavating a crater 15-20 kilometers deep and at least 170 kilometers in diameter. (TPO42-P2)

星体击中了墨西哥尤卡坦半岛的希克苏鲁伯地区,凿出一个深15~20千米、直径至少有170千米的大坑。

12. Estimated to be ten to fifteen kilometers in diameter, this bolide (either a comet or an asteroid) was traveling at cosmic speeds of 20-70 kilometers per second, or 45,000-156,000 miles per hour. (TPO42-P2)

这颗火流星(彗星或小行星)的直径估计在10000~15000米左右,以20~70千米每秒或45000~156000英里每小时的宇宙速度旋转。

13. Callisto has a diameter of 4.820 kilometers, almost the same as that of Mercury. (TPO42-P3)

木卫四的直径为4820千米,几乎与水星(的直径)相同。

14. The period at the end of this sentence is about a million times bigger than an object 0.2 nanometers in diameter, which is the size of a large atom.(TPO38-P1)

在本句话末尾的那个句号在直径上比一个大一点的原子0.2纳米的直径大了一百万倍。

n. (尤指圆截面物体的)厚度,粗细