4周搞定2000+托福核心词
空气，空间，空域
airspace
常考释义
It was only after the creation of the FAA that full-scale regulation of America's airspace took place, and this was fortuitous, for the advent of the jet engine suddenly resulted in a large number of very fast planes, reducing pilots' margin of error and practically demanding some set of rules to keep everyone well separated and operating safely in the air.
紧随着FAA的建立，美国空间的全面规范形成了，不过这只是偶然发生的事情。随着喷气式引擎的突然出现，大量高速飞机诞生了，从而减少了飞行员的边际错误，实际上确实需要一些规则将人们分开，使他们单独在空中安全操作。
来源于：剑雅8-Test1n. 空域；（尤指）领空
The plane crashed last Saturday just after entering British airspace.
上周六有架飞机进入英国领空不久后失事。
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