Ligancy
配位数
🗣️ 情景例句
Hello.
哈啰。
They won't listen, so don't waste your breath telling them.
他们听不进去，不必和他们多费口舌了。
I have just received a letter from my old school, informing me that my former headmaster,
我刚刚收到母校的一封信，通知我说以前的校长