Nanocatalyst
纳米催化剂
🗣️ 情景例句
Just follow me, Mr. Johnson.
请跟我来 Johnson先生。
He's probably here.
他可能在这儿。
Anyway, as Brian pointed out, it is the easiest thing in the world to give up smoking.
不管怎么说，正如布赖恩指出的那样，戒烟是世界上最容易的事情，