Duplexer
[电] 双工器
🗣️ 情景例句
You look very young. How old are you?
你看起来真年轻， 你多大了？
All is not gain that is put in the purse.
放入钱包的钱财，并非都是应得的。
What's your favorite steps?
你最喜欢跳什么舞？