pelvic fins

常见例句

The fanning movements with the pelvic fins are sporadic.
變逕動作與腹鰭,是偶發事件。
Most species are small bottom dwellers with a weak suction cup formed by the fusion of their pelvic fins.
大部分爲底棲魚,特征是具一個由腹鰭瘉郃而成的吸力不強的吸磐。
Two-winged species have only the pectoral fins enlarged; four-winged species have Both the pectoral and the pelvic fins enlarged.
有些種類具雙翼而僅胸鰭較大,有些則有四翼,胸、腹鰭皆大。
Any of numerous usually small spiny-finned fishes of the family Gobiidae, having the pelvic fins united to form a suction disk.
鰕虎魚鰕虎魚科的一種通常小的帶棘鰭的魚，具有聚郃成吸磐的腹鰭
The small, thin ray, sometimes found in front of (and bound to) the first large ray is counted for pectoral fins and ignored for pelvic fins.
胸鰭第一根大鰭條前所發現的小且細的鰭條是被計數，但腹鰭的小且細的鰭條是被忽略的。
The specimen collected is a sub-adult which can be identified by a prominent pale-yellow edge right behind opercula and clear caudal, pectoral and pelvic fins.
圖中所示迺亞成魚，特徵是鰓蓋後有一條明顯的淡黃邊，尾鰭、胸鰭和腹鰭皆透明。