shé / měi / nián / dōu / huì / tuì / pí / tuì / pí / qián / tōng / cháng / huì / biàn / de / bú / tài / huó / yuè

蛇每年都会蜕皮，蜕皮前通常会变得不太活跃。

Snakes molt every year and usually become less active before molting.