| 单词 | 蟹壳 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔exuviae〕The cast-off skins or coverings of various organisms, such as the shells of crabs or the external coverings of the larvae and nymphs of insects.蜕下之皮：各种生物的外皮或脱落的皮，如蟹壳或昆虫幼虫或蛹的外壳美国传统〔shell〕The beach was littered with broken crab shells.海滩上到处都是碎螃蟹壳。外研社新世纪 |
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