Fins
鱼鳍
Fish can swim well with their fins in water.
鱼因为有鳍能在水里畅游O-bAfozJK95ei。
Also, fish cannot move without fins.
相反的，没有鱼鳍，鱼就不能游了4#NTrmE;(#(m8。

Do you know that different fish have different shapes of fins?
你知道鱼的种类不同，鳍的形状也不一样吗？
Some fish have round fins, these round-shaped fins are strong, but the fish can swim slowly.
有些鱼鳍是圆状的，这些圆状鳍很强壮，但这种鱼游得也很慢-MMnK^QmgiC6+5。
Some fish have a crescent-shaped fin, fish with fins shaped like this can swim fast.
有些鱼鳍是新月状的，有这种鱼鳍的鱼游得很快1pxcfE4A0_。
Fins are very important to fish.
鱼鳍对鱼非常重要wgy=)1hm9R6#%。