Bhcs
abbr. 圆头帽螺钉；井眼补偿声波测井
🗣️ 情景例句
That's for sure.
那是当然。
If you swear you will catch no fish.
咒骂无益，于事无济。
later, we shall undergo a progressive loss of our vigour and resistance which, though imperceptible at first,
再迟一些，我们就要经历生命力和抵抗力逐步衰退的过程。虽然这个过程起初难以觉察，