Pba
abbr. poor bloody assistant 贫血辅助器; pressure-breathing assister 加压呼吸辅助器; published by arrangement 按计划出版
🏥 医学释义
加压呼吸器
🗣️ 情景例句
Sorry.
对不起。
I'm afraid he will lose your time.
我怕他会浪费你的时间。
It can take as long as eight days to rig up rope ladders and to establish supply bases before a descent can be made into a very deep cave.
有时需要花费整整8天时间来搭起绳梯，建立供应基地，然后才能到一个很深的洞穴里。