Bhcs
abbr. 圆头帽螺钉；井眼补偿声波测井
🗣️ 情景例句
We are looking forward to our holidays.
我们盼望着假期的到来。
You're sure of passing the exam if you work hard.
只要用功，主汪定能考及格。
It's seven fifteen.
七点十五了。