外殻

(1)a hard outer layer that covers something

(2)物を覆う硬い外側の層

(3)the material that forms the hard outer covering of many animals

(4)多くの動物の硬い外側の覆いを形成する物

(5)material consisting of seed coverings and small pieces of stem or leaves that have been separated from the seeds

(6)種子から離された種子の包皮、葉または茎の小さな断片で成る物質

(7)hard outer covering or case of certain organisms such as arthropods and turtles

(8)節足動物やカメなどのようなある一定の生物の硬い外被または外箱

(9)the hard largely calcareous covering of a mollusc or a brachiopod

(10)軟体動物か腕足類の主に石灰質の固い覆い