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- The classification of bony fish is extremely complicated. 多刺鱼的分类极为复杂。
- In total, 215 bony fish species from 86 families were recorded. 硬骨鱼类至目前为止共计出现86科215种;
- Sponges, jellyfish and corals were joined by bony fish, scorpions and trilobites. 有骨的鱼、蝎子和三叶虫,混迹于海绵、水母和珊瑚。
- Its teeth and other features suggest it specialized in eating and catching fish, including sharks and huge bony fish. 它的牙齿和其它特征显示它专门捕食鱼类,包括鲨鱼和大型多骨鱼。
- Ishi Tib evolved from bony fish in the shallow waters near the coral reefs of Tibrin. 伊希提卜人由提卜林星珊瑚礁附近浅海中的骨鱼进化而来。
- Sharks lack the gas bladder that allows bony fish to control their buoyancy precisely, for example, and instead have to rely on swimming, buoyant fatty livers and, occasionally, a gulp of air. 比如鲨鱼没有硬骨鱼类用来精确地控制浮力的气体膀胱,但是它可以依靠游泳技术和有浮力的蓬松的肝脏来控制浮力,只需不是浮上水面吸上一口空气。
- Fish generally respire through gills. Most bony fishes have a swim bladder, a gas-filled organ used to adjust swimming depth. 一般是经由鳃呼吸。大部分硬骨鱼有鳔,这是源于消化管的憩室,司控制浮力或为辅助呼吸器官。
- Bony fishes have a single such opening on each side whereas cartilaginous fishes (sharks and rays) have five to seven. 硬骨鱼类在两边各有一个单一开口,然而软骨鱼类(鲨鱼与魟)有五到七。
- Any of various mostly extinct bony fishes of the subclass Crossopterygii,of which the coelacanth is a living representative. 总鳍鱼内鼻孔亚纲的各种大多已灭绝了的硬骨鱼,腔棘鱼为其现存种类代表
- Any of various mostly extinct bony fishes of the subclass Crossopterygii, of which the coelacanth is a living representative. 总鳍鱼内鼻孔亚纲的各种大多已灭绝了的硬骨鱼,腔棘鱼为其现存种类代表
- Relating to, designating, or characterized by a tail fin having two symmetrical lobes extending from the end of the vertebral column, as in most bony fishes. 正尾的,等形的与一种尾鳍有关的或以其为特点的,这种尾鳍有对称的两叶从脊椎一头延伸出来,大多数多骨鱼均如是
- A modified, usually elongated, scale (or group of scales) present at the upper or anterior base of the pectoral or ventral fins in some bony fishes. 变异,通常延长了,鳞片(或者群体的鳞片)在一些硬骨鱼类出现在胸或腹鳍的上面或前面基底。
- Relating to,designating,or characterized by a tail fin having two symmetrical lobes extending from the end of the vertebral column,as in most bony fishes. 正尾的,等形的与一种尾鳍有关的或以其为特点的,这种尾鳍有对称的两叶从脊椎一头延伸出来,大多数多骨鱼均如是。
- Fish were surfacing to catch insects. 鱼浮到水面上捕捉昆虫。
- Of, relating to, or characteristic of certain bony fishes, such as the sturgeon and the gar, that have armorlike scales consisting of bony plates covered with layers of dentine and enamel. 硬鳞的,光鳞的属于、关于或具有某种多骨鱼特征的,例如鲟鱼和雀鳝,具有由覆盖有齿质层和珐琅层的骨盘组成的类似盔甲的鳞
- Of,relating to,or characteristic of certain bony fishes,such as the sturgeon and the gar,that have armorlike scales consisting of bony plates covered with layers of dentine and enamel. 硬鳞的,光鳞的属于、关于或具有某种多骨鱼特征的,例如鲟鱼和雀鳝,具有由覆盖有齿质层和珐琅层的骨盘组成的类似盔甲的鳞
- She was trying hard to disgorge a fish bone. 她拚命想把鱼刺吐出来。
- A member of the Crossopterygii,a group of bony fishes with paired,rounded fins that are extinct except for the coelacanths and are regarded as ancestors of amphibians and other terrestrial vertebrates. 总鳍鱼一种总鳍目鱼,长有成对的圆形鳍,除了空鳍鱼类的鱼之外现已全部灭绝,被认为是两栖纲动物和其它陆生脊椎动物的祖先
- Fish doesn't go well with mutton. 鱼和羊肉在一起不好吃。
- A member of the Crossopterygii, a group of bony fishes with paired, rounded fins that are extinct except for the coelacanths and are regarded as ancestors of amphibians and other terrestrial vertebrates. 总鳍鱼一种总鳍目鱼,长有成对的圆形鳍,除了空鳍鱼类的鱼之外现已全部灭绝,被认为是两栖纲动物和其它陆生脊椎动物的祖先
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries