Mesopneumon
[医] 肺系膜, 胸膜连系
🗣️ 情景例句
Goodbye, come again soon.
再见，下次再来。
It's none of my business,but I think you ought to work harder.
它是不关我的事，但是我认为你应该努力工作。
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。