How to pronounce word in English - Learn English free online - pectoral fin - How to pronounce the english word pectoral fin in english. Start with S. Learn from me.

pectoral fin

[鱼] 胸鳍

1、[鱼]胸鳍

胸鳍(pectoral fin):头后鳃孔附近,运动、转向和维持身体平衡。腹鳍(ventral fin):协助胸鳍维持身体平衡。

2、胸鳍

鱼是靠鳃 (gills) 呼吸的，鱼身上有鱼鳞 (scale)，还有背鳍 (dorsal fin)，胸鳍 (pectoral fin)，腹鳍 (pelvic fin)和尾鳍 (caudal fin)。注意哦，fin 除了表示鱼的“鳍”，还可以表示“火箭，炸弹等的尾翼”。

pectoral l fin胸鳍

Long Pectoral-fin Minnow大鳍鱼

Pectoral Fin Posterior Margin胸鳍后缘

Pectoral Fin Span胸鳍跨度

radial of pectoral fin胸鳍支鳍骨

Pectoral Fin Anterior Margin胸鳍前缘

inner pectoral fin sinus胸鳍内窦

origin of pectoral fin胸鳍起点

农业科学

物理学

生物学

n.either of a pair of fins situated just behind the head in fishes that help control the direction of movement

1.
N（名词） either of a pair of fins, situated just behind the head in fishes, that help to control the direction of 胸鳍

Dictionary