Multicategory system
[计] 多范畴系统
🧩 词语组成解析
[计] 多范畴的
🗣️ 情景例句
and Susan and Robbie to Jones Beach?
Susan、Robbie去Jones海滨的事吗？
This is a profitable transaction.
这是一笔有利可图的交易。
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。