Extractability
可萃性, 萃取率
🗣️ 情景例句
Your birthday is tomorrow, isn't it?
你明天生日 ，是吗？
The wise man is always a good listener.
智者善听人言。
Excuse me.Where's the nearest bus stop, please?
请问，最近的公共汽车站在哪儿？