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
Even when I have a cold, I still have a good appetite.
我就是感冒了，胃口也照样很好！
There is no general rule without some exception.
普遍规律必有例外。
a moment later, he ran after me and thrust the pen into my hands.
一会儿，他突然从后追了上来，把笔塞到我手里。