If you lift up a heavy rock, you may find a centipede living under it.

如果你举起一块大石，可能会发现底下有蜈蚣。

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He saw the cockroach scurry under it with the gecko far behind struggling to go under.

他看见那只蟑螂急匆匆地从它下面钻过去，壁虎在后面很远的地方挣扎着要钻过去。

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Also,the heel generally has thick material under it to soften landings.

VOA: special.2010.02.03

Why didn't you think of putting wheels under it?

为什么你没有想到在下面加上轮子呢？

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So where we are standing at the moment has got bones under it from hundreds of years ago.

所以我们现在站的地方地下埋有几百年前的尸骨。

有各种不同的魅力 - SpeakingMax英语口语达人

But can it keep its balance when a prankster yanks the carpet out from under it?

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The past is in the past and we must draw a line under it.

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It's the sort of chilling effect of people thinking 'I will be found guilty under it'.

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