• 基本释义

1.dorsal fin
背鳍收藏指正
2.dorsal fin
脊鳍收藏指正
3.dogfishes having a spine in each dorsal fin.
背鳍上各有一刺的角鲨鱼。收藏指正
4.black-and-white drumfish with an erect elongated dorsal fin.
长有细长直立背鳍身体花白的石首鱼。收藏指正
5.the dorsal fin is the vertical fin on the back of a fish and certain marine mammals.
背鳍就是在鱼或者某些海洋哺乳动物背上的垂直鳍。收藏指正
6.predatory black-and-white toothed whale with large dorsal fin; common in cold seas.
黑白色食肉型有牙齿和大型背鳍的鲸；常见于寒冷的海水中。收藏指正
7.large deep-water shark with white-tipped dorsal fin; worldwide distribution; most dangerous shark.
生活在深海长有白色背鳍的大鲨鱼；分布于世界各地；最危险的鲨鱼。收藏指正
8.The measurements used are fork length, head length, upper jaw length, snout length, length of dorsal fin base and anal fin base and the distances from the tip of snout to insertion of dorsal fin, to pectoral fin, to ventral fin and to hard margin of preopercle.
此所用于分析之外部非体节形质计有：尾叉长、头长、上颚长、吻长、眼径、背鳍基底长、臀鳍基底长以及吻端到前鳃盖骨后绿、背鳍起点、腹鳍起点、臀鳍起点等11个形质。收藏指正
9.thin deep-water tropical fish 20 to 30 feet long having a red dorsal fin.
纤细身体的热带鱼，体长达20至30英尺，有红色的背鳍。收藏指正
10.small elongate fishes of shallow northern seas; a long dorsal fin consists entirely of spines.
北部海洋浅水中细长的小鱼；完全由刺组成背鳍。收藏指正
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