Both of these nuclear radiations, although different in character, can travel considerable distances through the air . 这两种核辐射虽然性质不同，但是都可以在空中穿透相当长的距离。
As it sprawled wallowing in the quag, clouds of stinging insects rose and buzzed about it in the air . 当它在泥潭里扭动、挣扎的时候，赶起了一群群叮人的飞虫，嘤嘤嗡嗡地在空中盘旋。
The body appears to remain suspended in space if it has no initial velocity relative to the elevator . 如果物体相对于升降机没有初速度的话，这个物体看起来就好象是一直悬在空中不动。
Color helps them judge distance and shape. thus they are able to catch bugs in the air or to light on branches . 色彩帮助它们判断距离和形状，这样它们才能在空中抓到虫子或者在树枝上落下。
Immediately following the detonation of a nuclear weapon in the air, an intensely hot and luminous (gaseous) fireball is formed . 核炸弹在空中爆炸后，紧接着形成灼热而明亮的（气体）火球。
I decided to take some courses in fluid mechanicsthe study of how bodies behave as they move through air or water . 我决定选修流体力学方面的一些课程研究人体在空中和水中运动时的表现。
From long ago, by an established tradition that can be traced to the hypothesis of immanuel kant and the marquis de laplace, astronomers have assumed that stars develop out of a scattered, diffuse medium of gas and dust . 很长时间以来，天文学家承袭了可以追溯至康德和拉普拉斯假说所建立的概念，认为恒星由散布在空中的弥漫气尘物质演变而来。
The sight, bloody and black, made bigger flinch involuntarily and lift his hands to his eyes and at the same instant he saw blinding flashes of the silver bulbs flicking through the air . 那景象黑乎乎的，血肉模糊使别格身不由己地畏缩起来，举起双手捂住眼睛，同时他看见镁光灯炫目的亮光在空中闪过。
These fights in the sky were called dogfights 这些在空中的打斗就叫做空中缠斗。
Jordan can stay in the air for such a long time 乔丹能在空中停留如此长的时间。
