Transvar
可调定向耦合器
🗣️ 情景例句
Bye.
再见。
I only had five dollars.
我只剩五美元。
After that she helped her parents. She quickly cooked the supper, and cleaned the house.
之后她给父母帮忙。她很快煮好了晚餐，并把房子打扫干净。