Katalyst
n. [化] (=catalyst)催化剂
🗣️ 情景例句
Although we hadn't met for 25 years, I recognized him the minute I saw him.
尽管我们有25年未见面了，我一看见他就认出来了。
Look before you leap; see before you go.
三思而行。
Yes, do that. I'll stay here with the girl.
好的，去吧。我留在这儿。