Is a whale a mamal or a fish?

Is a whale a mamal or a fish? ln size,a sperm whale is()than a killer whale.a killer whale is()than a sperm whale the biggest whale is the blue whale.或the biggest whale is a blue whale.那个表达正确? Is a killer whale heavier than a sperm whale否定回答 A killer whale is ()than a sperm whale in its size啥意思 A sperm whale is ( )than a killer whale in its length啥意思 A killer whale is smaller than a sperm whale in its size.翻译 同义句 This kind is called a killer whale.We ( )this kind a killer whale.急 英语翻译翻译这句话A sperm whale is longer than a killer whale in its length. a great whale watch a whale is more an animal than a fish.翻译 The biggest whale is( )blue wale.A.the B.a Is a whale mammal(哺乳动物）or a fish Which is smaller,a blue whale or an elephant? A big sperm whale is about 16 meters ______. a sperm whale is 35 tons.对35 tons提问 That is where a whale feels safe.That is where a whale feels safe.这句英语的意思. A sperm whale is longer than a killer whale in its length.翻译谁能告诉我怎么翻译