Bhcs
abbr. 圆头帽螺钉；井眼补偿声波测井
🗣️ 情景例句
Yes. I'll hold. He's checking. You do?
好， 我会等。他正在查。真的有了？
A penny saved is a penny gained.
省一文是一文。
I had a wonderful time here.
我在这里度过了难忘的时光。