Deatructive
[计] 破坏性的
🗣️ 情景例句
You don't know what you are talking about.
你不知道你在说什么。
She is in good shape.
她的身体状况良好。
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。