Mouthing
n. 怪脸, 苦相
🗣️ 情景例句
Hi, Son.
嗨 儿子。
He who makes no mistakes makes nothing.
不犯错误者一事无成。
Why does aperson standing in a bus or train tend to fall when a sudden start is made?
一个人站在公共汽车或火车上，当车突然开动时，他为什么会倾倒呢？