Fluorobenzene
氟(代)苯
🗣️ 情景例句
And they don't ask a married couple with no children Why don't you have any children?.
他们也不会问结了婚没有孩子的夫妇“你们为什么不要孩子？”。
Don't bother.
不用麻烦了。
Oh! Well, for that, you'd better find an English pen friend.
哦！那你最好为此找一个英文的笔友。