Procarcinogen
前致癌剂
🗣️ 情景例句
And, Carl, you join in at any time.
还有Carl， 你随时都可以加入。
You'll fall, if you don't take care.
你不专心的话，就会跌倒。
'Oh dear,' said the conductor suddenly.
“哎呀，”售票员突然说，