Slowpokes in the Forests

森林裡的慢性子

Sloths（樹懶） are one of the slowest mammals on earth.

樹懶是世界上最慢的哺乳動物之一。

While the average adult human can cover around a meter per step, it will take a sloth almost an entire minute to climb the same distance.

成年人類平均每步能跨出大約一米，而樹懶幾乎要花上整整一分鐘才能爬完同樣的距離。

However, since sloths rarely leave their habitats throughout their adult lives (which span roughly 20 to 30 years), their inactivity（不活動） doesn't really pose any threat to their survival.

然而，由於樹懶在整個成年期（大約20到30年）很少離開它們的棲息地，因此行動遲緩也不會對它們的生存造成任何威脅。

Living in the lush（茂密的） rainforests of South America, sloths feed mostly on leaves.

樹懶生活在南美洲茂密的雨林中，主要以樹葉為食。

Their long and curvy claws give them such a firm grip that they can freely swing back and forth on a springy（有彈力的） branch or just stay hanging from a thick tree trunk for a while.

又長又彎的爪子使它們擁有強大的抓力，可以在有彈性的樹枝上自由地來回擺動，或者在粗樹幹上懸掛一段時間。

Not only are they slow climbers, but they are also sluggish（緩慢的） when it comes to eating.

它們不僅爬行速度慢，吃東西也是慢吞吞的。

Since they mostly consume leaves, which are relatively hard to break down（分解）, they spend roughly two weeks digesting each meal.

由於它們主要吃樹葉，而樹葉相對來說較難分解，所以它們每進食一次大約需要花兩週時間來進行消化。

Leaves can't provide them with much energy, either, which explains their inclination（傾向） to stay immobile most of the time.

而樹葉也無法提供給它們太多能量，這就解釋了它們為什麼會大部分時間都保持靜止。

Sloths are usually mild-tempered.

樹懶通常性情溫和。

The unique shape of their mouths creates the effect of a childlike smile, making them look like carefree（無憂無慮） children, playing in the park.

它們的嘴巴形狀獨特，像是在綻放童真的微笑，使其看起來像是無憂無慮的孩子，在公園裡玩耍。

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