（两件套衣服的）下半身
the lower part of a piece of clothing that consists of two parts
I've found my bikini bottoms but not my top. 我找到了我的比基尼泳裤，但找不到上半身。
Have you seen my pyjama bottoms anywhere? 你看见我的睡裤了吗？
These are some old jogging bottoms that I slob around in at home.
The website allows you to mix and match tops and bottoms, which is really handy.
See also: bottom noun (LOWEST PLACE)