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
I'm terribly sorry about that.
为此我非常抱歉。
You are darker than I am.
你比我黑。
Oh, look! It's high!
快看，多高呀！