* Although CFCs may not harm the environment near the ground, they slowly travel upwards to the ozone layer where they are broken down by UV light into chlorine atoms. Here, the chlorine atoms eat away at the ozone.

雖然氟里昂并不破壞地面附近的環(huán)境，但它們能緩慢上升至臭氧層，被紫外線(xiàn)分解為氯原子，大量吞噬臭氧。

* Therefore, it is not always possible to provide a uniform size of foundation for the entire structure, even if it may support a uniform load.

所以，即使基礎(chǔ)能承受相同的荷載，要為整個(gè)結(jié)構(gòu)設(shè)計(jì)出相同尺寸的基礎(chǔ)并不總是可能的。

* Although its form may change, energy can never be destroyed.

盡管能的形式可以改變，但絕不會(huì)消失。

5. 表示虛擬

might可以表示虛擬，可譯為“能”、“會(huì)”等。如：

* The fact might have been predicted from the law of Conservation of Energy.

這一事實(shí)本可以根據(jù)能量守恒定律預(yù)料得到的。

Hr If there were no armature reaction the flux might be constant, as indicated by Curve I, Fig.16.2.

假如沒(méi)有電樞反應(yīng)，磁通量就會(huì)是個(gè)常數(shù)，見(jiàn)圖16.2的曲線(xiàn)I。

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