Rfd
辅助 Assistant[计] 电子邮件请求讨论
🗣️ 情景例句
Do you want to play?
你们想玩吗
He already has a phonograph,but he doesn't have a radio yet.
他已经有一架留声机，但是他还没有收音机。
He's not in trouble, I hope!
我希望他没有遇到麻烦！