Ters
n. 源物体参数
🗣️ 情景例句
This weekend I'm going to install a home security system.
这个周末我要装一套家庭保安系统。
Happy birthday!
祝贺您生日快乐！
No, I didn't. I didn't have his telephone number.
不，没有。我没有他的电话号码。