crustose包壳: involucrum; cladding; jacket ...状: form; shape的: 4次方是 The fourth power of 2 i ...壳状的: crustose贝壳状的: conchiform; conchoidal下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:包壳状的，即可在微信中查询翻译
