Chambering
内腔加工, 扩孔
🗣️ 情景例句
Well, I think I'm going to go get us all some vegetables.
好啦 我想我去给大家盛点蔬菜来。
If I were in you shoes.
如果我站在你的立场。
It is true that during their explorations they often faced difficulties and dangers of the most perilous nature, equipped in a manner with would make a modern climber shudder at the thought,
确实，在探险中他们经常遇到惊心动魄的困难和危险，而他们装备之简陋足以使现代登山者一想起来就胆战心惊。