What is a fish?

What is a fish?

鱼是什么?
【复数】 fish或 fish.es
Any of numerous cold-blooded aquatic vertebrates of the superclass Pisces,characteristically having fins,gills,and a streamlined body and including specifically:
鱼：具有鳍、鳃和线形体型的冷血水生脊椎鱼纲动物中的任意一种并且尤指包括：
Any of the class Osteichthyes,having a bony skeleton.
硬骨鱼：有一套硬骨架的硬骨鱼纲中的一种
Any of the class Chondrichthyes,having a cartilaginous skeleton and including the sharks,rays,and skates.
软骨鱼：有一套软骨架的软骨鱼纲中的一种,包括鲨鱼、魟鱼和鳐鱼
The flesh of such animals used as food.
鱼肉：作食物用的此类动物的肉
Any of various primitive aquatic vertebrates of the class Cyclostomata,lacking jaws and including the lampreys and hagfishes.
鳗类,鳗：无颚的各种原始水生圆口纲脊椎动物中的一种,包括七鳃鳗和盲鳗
Any of various unrelated aquatic animals,such as a jellyfish,cuttlefish,or crayfish.
水生动物：与鱼无直接联系的水生动物,如海蜇、墨鱼或螯虾
Informal A person who is deficient in something:
【非正式用语】 笨蛋,生手：在某方面有不足的人：
a cold fish; a poor fish.
高傲自大的人；可怜虫
n.attributive.（定语名词）
Often used to modify another noun:
常用于修饰另一个名词：
fish parts; fish gaffs.
鱼的各部分；鱼钩
v.（动词）
fished,fish.ing,fish.es
v.intr.（不及物动词）
To catch or try to catch fish.
捕鱼,钓鱼：捕或尝试着捕鱼
To look for something by feeling one's way; grope:
摸索,搜寻：用摸索的方法寻找东西；探寻：
fished in both pockets for a coin.
在两个衣袋里摸索一块硬币
To seek something in a sly or indirect way:
沽名钓誉：用一种狡猾或间接的方法拐弯抹角地打探：
fish for compliments.
汲汲追求名誉
v.tr.（及物动词）
To catch or try to catch (fish).
捕鱼：捕捞或尝试着捕捞（鱼）
To catch or try to catch fish in:
在…捕鱼：
fish mountain streams.
在山溪中捕鱼
To catch or pull as if fishing:
捕鱼似地捞或推：
deftly fished the corn out of the boiling water.
在开水中灵巧地捞出玉米