Bechilite
硼钙石
🗣️ 情景例句
How long has he held office?
他已任职多长时间了？
The telephone is ringing.
电话铃响了。
My parents were visiting relatives, and my grandparents had decided to spend the day at home.
我父母走亲戚去了，祖父母打算那天在家呆着。