bottom是什么意思?

bottom是什么意思?

bottomKK: []DJ: []n.1. 底;底部;下端[C]The bottom of the cup is broken.这杯子的底破了。2. 屁股,臀部[C]3. (海、河的)底部,水底[the S]4. 最低下的部分,底层[the S]The apples at the bottom of the basket are smaller.篮子底部的苹果较小。5. 远端,尽头[the S] [(+of)]6. 起点;原因[the S] [(+of)]We will get to the bottom of the mystery.我们将揭开这个谜。7. (汽车等的)最低档[U]8. 吃水线以下的船体[C]9. 低洼地[P]10. 持久力,耐力[U]a.[Z]1. 最低的;最后的,最下的The bottom layer is a mixture of sand and clay.最下面的一层是沙和泥的混合物。vt.1. 在...上装底2. 对...寻根究底They tried to bottom his motives but failed.他们曾想追查他的动机但未成功。vi.1. 基于,根据[(+on/upon)]Upon what does his claim bottom?他提出这一要求的根据是什么?2. 到达底部;降至最低点[(+out)]The recession has bottomed out.经济衰退已至谷底。