| 单词 | pectoral fin |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔gurnard〕Any of various widely distributed marine fishes of the family Triglidae, having large fanlike pectoral fins and a large armored head.鲂鮄：一种分布广泛的鲂鮄科海鱼，有扇状的胸鳍，头部大而有甲美国传统〔pectoral〕A pectoral fin.胸鳍美国传统〔threadfin〕Any of various chiefly tropical marine fishes of the family Polynemidae, having threadlike rays extending from the lower part of the pectoral fin.马鲅科鱼：有从胸鳍的下部垂下的丝状飘带的马鲅科热带海洋鱼类的任一种美国传统〔wing〕A winglike organ or structure used for flying, as the folds of skin of a flying squirrel or the enlarged pectoral fin of a flying fish.翼状器官：用于飞行的象翼一样的器官或结构。如美洲飞鼠皮上的皱褶及文鳐鱼扩大了的胸鳍美国传统Flying fish leap out of the water and glide, using their pectoral fins.飞鱼钻出水面，利用胸鳍在水上滑行。剑桥国际 |
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