Sphincterotomy
[医] 括约肌切开术
🗣️ 情景例句
Big jobs--factories, shopping malls.
大的工程 ，工厂 ，大型购物中心。
Diligence is the mother of good fortune.
勤勉是好运之母。
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。