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
When does the next train leave for New York?
到纽约的下一趟火车什么时候开车？
How dare you stand me up!
你竟敢放我鸽子！
She kept it tied to a tree in a field during the day and went to fetch it every evening.
白天，玛丽把羔羊拴在地里的一颗树上，每天晚上把它牵回家。