Backsiphonage
反虹吸
🗣️ 情景例句
We'll spend many more weekends like this.
我们以后可以多度几次这样的周末。
A mean boy teases the dog.
一个淘气的男孩在捉弄着狗。
You can see my father, my mother,and my brother, Jim.
你可以看到我的爸爸，我妈妈，和我的哥哥Jim。