名詞 slough:

1. necrotic tissue; a mortified or gangrenous part or mass
   同義詞：gangrene, sphacelus
2. a hollow filled with mud
3. a stagnant swamp (especially as part of a bayou)
4. any outer covering that can be shed or cast off (such as the cast-off skin of a snake)

動詞 slough:

1. cast off hair, skin, horn, or feathers
   同義詞：shed, molt, exuviate, moult

1. The name of the slough was Despond.
   這個(gè)深淵名叫絕望。
2. A dry scab or slough formed on the skin as a result of a burn or by the action of a corrosive or caustic substance.
   焦痂由燒傷或通過腐蝕或侵蝕物質(zhì)作用而導(dǎo)致皮膚形成的干疤或死肉
3. Every spring this snake sloughs off its skin, as it has grown too big for it.
   每年春天這條蛇都要蛻去舊皮，因?yàn)樗眢w長大，舊皮不適用了。