Catalyst promoter
[化] 助催化剂
🧩 词语组成解析
promoter
[prə'məutə]
n. 助长者;发起人;促进者;
🗣️ 情景例句
It always takes time to get used to a new place.
适应一个新地方总是需要一段时间。
He tried to sell me his lousy radio.
他想把他那台破收音机卖给我。
Oh, and by the way, my wife wants to know if Mary needs any help.
喔，顺便问一问，我妻子想知道玛丽是否需要帮忙。