molt

音標發(fā)音

Like other penguins, it undergoes an annual molt, replacing all its feathers in a few weeks.
與其它企鵝一樣，它每年蛻一次毛，全部代以新生的羽毛。
Small birds molt once or twice a year, and they replace their 9 or 10 primary flight feathers a few at a time over the course of a few weeks.
小型鳥類一年進行一到兩次換羽，在換羽期間，它們一次會替換掉9到10根左右的飛羽，而這個過程將持續(xù)幾周時間。
So what if you want to fly? University of Washington scientists say it depends on how fast you can replace your flight feathers when you molt.
那么，你如果想飛，你的體重該保持在什么水平上呢？華盛頓大學的科學家們說，這取決于你在換羽期間更換飛羽的速度。

They shed all their feathers during an annual molt, which the New Zealand penguin had been doing when found.
NPR: Penguin Found Stranded On New Zealand Beach Dies
When I found her this morning, she was mid-molt, her old skin split across her back and her new body wiggling slowly out of it.
FORBES: Books And Mantids
This particular male has reached his final molt, clear to me because he now has wings to help him get to where the girls are.
FORBES: Books And Mantids