Birds moult their feathers in the spring.

鸟类在春天换羽。

The snake will moult its skin several times a year.

蛇每年会换羽几次。

It is natural for crabs to moult as they grow.

螃蟹在成长过程中换羽是自然的。

The lizard begins to moult when the weather gets warmer.

天气变暖时，蜥蜴开始换羽。

Some insects moult multiple times before reaching adulthood.

一些昆虫在成虫前会换羽多次。

If an austerity diet is given at the wrong time the birds will not pick up enough for their nuptial moult and your breeding will suffer.

如果一紧缩的饮食是由于在错误的时间，鸟不会拿起足够为他们婚后换羽和您的育种将蒙受损失。

Snakes moult as they grow.

蛇在成长过程中会脱毛。

In autumn, birds begin to moult.

秋天到了，鸟儿开始脱毛。

This cat will moult every summer.

这只猫每年夏天都会脱毛。

Do you know why some animals moult?

你知道为什么有些动物会脱毛吗？