Catalyst bed
[建] 催化剂床
🧩 词语组成解析
bed
[bɛd]
n. 床;苗圃;河床;（地下由黏土、岩石等构成的）地层;
vt. 把…固定在;（某人）发生性关系;给人铺床;
vi. 上床;分层;
🗣️ 情景例句
We've got a forty-minute drive into the city.
我们还要开四十分钟的车到城里去。
He must needs swim that is held up by the chin.
身不由己，只得从命。
How should I tell him the bad news?
我该如何告诉他这个坏消息？