The underline stays level with the elbows to a slight upcurve at the flank.
下腹曲线水平,从肘部到腰上提。
The underline stays level with the elbows to a slight upcurve at the flank.
下腹曲线水平,从肘部到腰上提。
An avocet has a long, strongly upcurved bill which contains a complex and highly specialized system of lamellae capable of filtering out small food items.
我找了一下网路上的资料,似乎也没有讨论他嘴上弯因的文献,可能有很久以前的,不过就不太好找了。
声明:以上、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。