dorsal fin
英 [ˈdɔ:səl fin] 美 [ˈdɔrsəl fɪn]

n.

背鳍；

英英释义

dorsal fin

• n.unpaired median fin on the backs of fishes and some other aquatic vertebrates that help to maintain balance

双语例句

用作名词(n.)

1. The shark's fin sliced the water.
   鲨鱼的背鳍像刀样迅速划破水面。
2. Now he speeded up as he smelled the fresher scent and his blue dorsal fin cut the water.
   那条鲨鱼闻到了新鲜的血腥味，正加速航行，蓝色的背鳍在水中划过。

权威例句

Yellowfin Croaker
Rhinoceros Dolphin
Lumpsucker
Lagenorhynchus australis
Smelt (fish), Estuary, Fish anatomy, Lateral line, Mysidacea
A guide to larvae and juveniles of some common fsh species from the Mekong River Basin
Chondrenchelys problematica (Traquair, 1888) redescribed: a Lower Carboniferous, eel-like holocephalan from Scotland
Locomotor function of the dorsal fin in teleost fishes: experimental analysis of wake forces in sunfish
Locomotor function of the dorsal fin in rainbow trout: kinematic patterns and hydrodynamic forces.
Dorsal fin in the white shark, Carcharodon carcharias: a dynamic stabilizer for fast swimming