貝殼 英語： n. shell ; conch ; cowry misc. mother of pearl 雙語例句： 退潮時(shí)我們可以在沙灘上撿貝殼。

When the tide is out,we can pick up some shells on the sand. 她把貝殼串在一起，然后戴在脖子上。

She threaded the shells together and wore them round her neck. 退潮后沙灘上留下了許多貝殼。

When the tide had ebbed away,the shells were left on the sand.