| 释义 |
fin THIN PARTfInn [C]a thin vertical part sticking out of the body of esp. a fish or an aircraft which helps balance and movement鳍状物;垂直尾翼The pelvic fins of the male catfish are longer and more pointed than those of the female.雄鲶鱼的腹鳍比雌鲶鱼的要长要尖。The aircraft has a long tail fin.这架飞机有一个长长的垂直尾翼。
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