slough

名词 slough:

1. necrotic tissue; a mortified or gangrenous part or mass
   同义词：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)

动词 slough:

1. cast off hair, skin, horn, or feathers
   同义词：shed, molt, exuviate, moult

1. The name of the slough was Despond.
   这个深渊名叫绝望。
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.
   焦痂由烧伤或通过腐蚀或侵蚀物质作用而导致皮肤形成的干疤或死肉
3. Every spring this snake sloughs off its skin, as it has grown too big for it.
   每年春天这条蛇都要蜕去旧皮，因为它身体长大，旧皮不适用了。