n.手術(shù)刀；解剖刀
A scalpel is a surgical instrument. 手術(shù)刀是外科器械。
This is the scalpel which Norman Bethune used in those days. 這是當(dāng)年白求恩大夫用的手術(shù)刀。
In the biology lesson, the teacher dissected a frog with a scalpel. 生物課上老師用手術(shù)刀解剖了一只青蛙。
