fascicostellae簇: crowd together; form a clust ...型: mould; model壳: shell; hard surface纹: lines; veins; grain簇型壳线: fascicostae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:簇型壳纹,即可在微信中查询翻译