Bhcs
abbr. 圆头帽螺钉；井眼补偿声波测井
🗣️ 情景例句
Well, good night.
好吧， 晚安。
I'll let you know if anything comes up.
如果发生了什么事，我会让你知道。
Mary is still writing letters. She's been writing letters all day.
马力还在写信，她写了一整天的信。