He sat at the bottom of the stairs.
他坐在楼梯底部。
He was always bottom of the class.
他总是班上的最后一名。
I have to get to the bottom of this.
我必须把此事一查到底。
When the roots show through the holes in the bottom of the pot, transplant each seedling into a twelve centimeter pot.
VOA: special.2009.04.21
He conjures the indecorous image of the dead Lycidas under the whelming tide visiting the bottom of the monstrous sea.
他想象死去的利西达斯,在排山倒海的浪潮覆盖下拜访尽是妖怪的海底。
so it's either, you're at the bottom of the spectrum and you're barely making it,
不管你是哪一个,都是在两个极端,你只能勉强度日,
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