orifice gas scrubber

例句：

1. 1. The surgeonused an instrument to make an incision in the patient's skin.
   外科医生使用一种工具在病人的皮肤上做了一个切口。
2. 2. The scientist discovered a new speciesof bird with a unique orificeon its beak.
   科学家发现了一种具有独特开口的鸟的新物种。
3. 3. The engineerdesigned a machine that could perform complex calculationsusing only one orifice.
   工程师设计了一种机器，只能通过一个开口进行复杂的计算。