宠物掉毛很常见。

Fur ___shedding is common in pets.

蛇蜕皮了。

The snake is ___shedding its skin.

我的狗在春天会大量掉毛。

My dog starts ___shedding a lot of fur in spring.

他正在通过节食和锻炼来减肥。

He is ___losing weight through diet and exercise.