| 释义 |
pelvic fin 【动物学】腹鳍 以上来源于:《21世纪大英汉词典》 pelvic finn.① (魚)腹鰭pelvic finn.【动】腹鳍详细释义源自:《新世纪英汉大词典》Collins外研社 n.腹鳍【动物学】英英释义n.either of a pair of fins attached to the pelvic girdle in fishes that help control the direction of movement; correspond to hind limbs |