Cocatalyst
助催化剂
🗣️ 情景例句
If the real owners don't come to claim Gemma ...
如果狗的主人没认领Gemma……
You're carring that joke too far.
你那个玩笑开得太过分了。
One day a letter from my father arrived at the school, asking for a teacher for me.
有一天，我父亲的信寄到学校，请求为我聘用一名教师。