不及物动词
1. bottom是什么意思
1. The recession has bottomed out. 经济衰退已至谷底。
名词
1. We will get to the bottom of the mystery. 我们将揭开这个谜。
2. Who is at the bottom of all this trouble? 谁是这件事的祸首?
3. The bottom of the cup is broken. 这杯子的底破了。