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- The shark's dorsal fin was cut off by the fisherman. 鲨鱼的背鳍被渔夫割了下来。
- The shark's dorsal fin was cut offby the fisherman. 鲨鱼的背鳍被渔夫割了下来。
- His dorsal fin was down and his huge pectorals were spread wide. 它的脊鳍朝下耷拉着,巨大的胸鳍大张着。
- The dorsal fin is ornamented with these two colours. 空气垂直舵由这两色装饰。
- The second dorsal fin, near the tail, is much smaller. 靠近尾巴处的第二条背鳍要小得多。
- Full pearls below the dorsal fin area cum golden brush on the tail makes this a High Grade Bukit Merah Blue brooder. 高级布奇美拉蓝底过背的背鳍下面盖满小珠鳞及散布金粉的尾部。
- Any of several marine fishes of the family Trachinidae, having venomous spines on the gill cover and first dorsal fin. 龙鳖龙鳖科的几种海鱼之一,在鳃盖和第一背鳍上的许多毒刺
- A primitive, bony freshwater fish(Amia calva)of central and eastern North America, with a long, spineless dorsal fin. 弓鳍鱼北美洲中部和东部的一种原始、多骨的淡水鱼(弓鳍鱼弓鳍鱼属),具有长的无脊的背鳍
- A primitive,bony freshwater fish(Amia calva)of central and eastern North America,with a long,spineless dorsal fin. 弓鳍鱼北美洲中部和东部的一种原始、多骨的淡水鱼(弓鳍鱼弓鳍鱼属),具有长的无脊的背鳍
- A primitive,bony freshwater fish(Amia calva)of central and eastern North America,with a long.spineless dorsal fin. 弓鳍鱼北美洲中部和东部的一种原始、多骨的淡水鱼(弓鳍鱼弓鳍鱼属),具有长的无脊的背鳍
- Any of several marine fishes of the family Trachinidae,having venomous spines on the gill cover and first dorsal fin. 龙鳖龙鳖科的几种海鱼之一,在鳃盖和第一背鳍上的许多毒刺
- A primitive, bony freshwater fish(Amia calva) of central and eastern North America, with a long, spineless dorsal fin. 弓鳍鱼北美洲中部和东部的一种原始、多骨的淡水鱼(弓鳍鱼弓鳍鱼属),具有长的无脊的背鳍
- Predorsal length From the base of the anteriormost dorsal fin ray to the tip of the snout or upper lip. 背前长从最前面背鳍鳍条基底处到吻尖或上唇前端。
- Any of various brightly colored tropical Pacific scorpion fishes of the genus Pterois, having venomous spines in the dorsal fin. 蓑一种太平洋赤道地区产蓑属色彩鲜艳的锯鱿鱼,背鳍上有毒刺
- The newborn's flukes and dorsal fin are curled initially but soon become straight and rigid. 新生儿的背鳍和尾鳍刚开始成捲曲状,但很快就会伸展开且定型。
- Now he speeded up as he smelled the fresher scent and his blue dorsal fin cut the water. 那条鲨鱼闻到了新鲜的血腥味,正加速航行,蓝色的背鳍在水中划过。
- The mother then uses her tail and her rostrum to guide the calf to a traveling position just below her dorsal fin. 之后,海豚妈妈会用牠的尾巴及嘴喙指引宝宝在牠的背鳍下就位。
- The most important part of our scientific observation was to see whether they had nicks on their dorsal fin. 我们要做的科学观察最重要的部分是看看在他们的背鳍上是否有小疤痕。
- The dorsal fin of the upside-down shuttle orbiter pokes into the very top of the image. 上下颠簸的航天飞机背部在影像上方伸出。
- Any of several whales of the family Balaenidae, characterized by a large head, whalebone plates in the mouth, and absence of a dorsal fin. 露脊鲸:露脊鲸科中的几种鲸,特征为头部硕大、嘴边长有鲸须而无背鳍。