| 单词 | 内壳 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔belemnite〕A cone-shaped, fossilized internal shell of any of an extinct genus of cephalopods related to the cuttlefish.箭石：由灭绝的与乌贼有血亲关系的头足纲动物的内壳形成的尖锥状化石美国传统〔cuttlebone〕The calcareous internal shell of a cuttlefish, used as a dietary supplement for cage birds or ground into powder for use as a polishing agent.乌贼骨：乌贼的钙质内壳，作为笼中鸟的饮食补充物或把它碾碎成粉用作上光剂美国传统〔horny〕This cuttlefish has a horny internal shell like a pen.这只乌贼有一个笔状的角质内壳。外研社新世纪〔horny〕This cuttlefish has a horny internal shell like a pen.这只乌贼有一个笔状的角质内壳。柯林斯高阶〔pen〕The chitinous internal shell of a squid.羽状壳：乌贼的壳质的内壳美国传统 |
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