Revised manual
[计] 修订的手册
🧩 词语组成解析
a. 改进的
🗣️ 情景例句
I'd just like to repeat, do not be late!
我只想重复一遍，别迟到！
A barking dog is better than a sleeping lion.
吠犬胜于睡狮。
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.
我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。