| 单词 | tail fin |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔dart〕A slender, pointed missile, often having tail fins, thrown by hand, shot from a blowgun, or expelled by an exploding bomb.飞镖，标枪：细长带尖的投掷物，通常尾部有鳍，用手掷、从吹矢枪中发射或由炸弹推动美国传统〔diphycercal〕Having or designating a tail fin in which the vertebral column extends to the tip, with symmetrical upper and lower parts.原形尾鳍的，双尾的：尾鳍上下两片相同或接近相同，脊柱延伸至末端而不上翘的美国传统〔fantail〕Any of a breed of goldfish having a wide, fanlike double tail fin.扇尾金鱼：有宽的扇状双尾鳍的家养金鱼美国传统〔fin〕The aircraft has a long tail fin.这架飞机的尾翼很长。剑桥高阶〔heterocercal〕Relating to, having, or being a tail fin in which the upper lobe is larger than the lower and the vertebral column extends into the upper lobe, as in sharks.歪尾的：（有）上片大于下片、脊椎延伸入上片中的尾鳍的， 与其有关的，如鲨鱼的鳍美国传统〔homocercal〕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美国传统The aircraft has a long tail fin.这架飞机有一个长长的垂直尾翼。剑桥国际 |
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