avocet

But Colonel-General Kurt Zeitzler insisted that the offensive go ahead and he became the main avocet of the offensive.

但是主战库尔特·蔡勒将坚持对库尔斯克发动进攻。

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.

我找了一下网路料，似乎也没有讨论他嘴弯原因文献，可能有很久以前，不过就不太好找了。