Chelatase
螯合酶
🗣️ 情景例句
Don't worry about being late. It's fine.
别为迟到担心了 没有关系。
Would you please tell Mr. Cooper that I'm here.
请您告诉库珀先生我在这里。
Let's go for a walk，shall we?
咱们出去走走，好吗？