Simon's operation
[医] 会阴修复术(J.西蒙氏手术), 阴道闭合术(G.西蒙氏手术)
🧩 词语组成解析
🗣️ 情景例句
I recently broke up with my boyfriend. I was really bummed out.
最近我和男朋友分手了。我真沮丧。
A book that remains shut is but a block.
有书闭卷不阅读，无异是一块木头。
and we control it by means of the mud which we circulate down the drill pipe.
我们让泥浆顺着钻杆向下循环，用这种方法来控制压力。