Duplexor
[电] 双工器
🗣️ 情景例句
I care about the school buildings in need of paint.
我关心学校的建筑物需要粉刷。
It's a deal!
一言为定！
and there is a virtual limit on how long we can hope to remain alive,
我们所希望的长寿实际上是有限度的。