Noviro
背鳍
Simplified 背鳍
Traditional 背鰭
Pinyin bèi qí
Definition dorsal fin
那条鱼背鳍很漂亮
Nà tiáo yú bèiqí hěn piàoliang
That fish's dorsal fin is very beautiful
You might also see
鳍
qí
fin
背
bèi
the back of a body or object; to turn one's back; to hide something from; to learn by heart; to recite from memory; (slang) unlucky; hard of hearing
HSK2
背后
bèi hòu
behind; at the back; in the rear; behind sb's back
HSK3
背景
bèi jǐng
background; backdrop; context; (fig.) powerful backer
HSK4
背包
bēi bāo
knapsack; rucksack; infantry pack; field pack; blanket roll
HSK5
背心
bèi xīn
sleeveless garment (vest, waistcoat, singlet, tank top etc.)
HSK6
尾鳍
wěi qí
tail or caudal fin
胸鳍
xiōng qí
pectoral fin