Schroeder's disease
[医] 施勒德氏病(子宫内膜肥厚出血)
🧩 词语组成解析
🗣️ 情景例句
She has the ability to keep calm in an emergency.
她有处变不惊的本事。
Needs must when the devil drives.
情势所迫，只好如此。
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。