| 单词 | 腹足纲 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔conch〕The shell of one of these gastropod mollusks, used as an ornament, in making cameos, or as a horn.螺号：指这种腹足纲软体动物的贝壳，在雕刻中用来作装饰品或被用作号角美国传统〔gastropod〕Of or belonging to the class Gastropoda.腹足纲的，具有腹足纲特征的美国传统〔labium〕The inner margin of the opening of a gastropod shell.唇状部分：腹足纲软体动物贝壳开口处的内部边缘美国传统〔labrum〕The outer margin of the opening of a gastropod shell.孔缘：腹足纲的软体动物的贝壳的壳口外缘美国传统〔lip〕Either of the margins of the aperture of a gastropod shell.腹足纲软体动物缺口的两个边缘中的任一个美国传统〔moon shell〕Any of various marine gastropod mollusks of the family Naticidae, having a smooth, rounded shell.海月贝：任一种玉螺科的腹足纲海洋软体动物，长有光滑球形的壳美国传统〔ovotestis〕A hermaphroditic reproductive organ that produces both sperm and eggs, found in certain gastropods.卵精巢：雌雄同体的再生器官，可以产精子和卵子，在腹足纲软体动物身上发现美国传统〔pulmonate〕A gastropod of the subclass Pulmonata.有肺的腹足纲动物美国传统〔spire〕The area farthest from the aperture and nearest the apex on a coiled gastropod shell.螺旋部，螺塔，螺环：腹足纲动物螺壳上离开口处最远而离顶点最近的部分美国传统〔varicellate〕Having small varices, as certain gastropod shells.具有小螺层隆起的：有细小的螺形的，如一定的腹足纲软体动物的贝壳美国传统〔varix〕One of the longitudinal ridges on the surface of a gastropod shell.螺层：腹足纲软体动物贝壳表面上的纵向背纹之一美国传统〔velum〕Zoology A ciliated swimming organ that develops in certain larval stages of most marine gastropod mollusks.【动物学】 游泳盘：大多数海洋腹足纲软体动物的某些幼体阶段形成的一种有纤毛的游泳器官美国传统〔volute〕Any of various marine gastropod mollusks of the family Volutidae, having a spiral, often colorfully marked shell.涡螺：它是一种涡螺科海洋腹足纲软体动物，具有带螺纹的、常颜色绚丽的壳美国传统 |
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