Polypectomies
(polypectomy 的复数) n.[医]息肉切除术
🗣️ 情景例句
I'm as strong as an ox.
我像牛一样壮。
So many countries, so many customs.
一个国家有一个国家的风俗。
Instruments have been devised and can be so placed that all three elements can be recorded in different graphs.
已经设计出了一些仪器，它按照一定的安放方式就可测绘出这三种运动的曲线图。