Can a bird fly?有什么深层意思吗?

Can a bird fly?有什么深层意思吗? lt can fly, but it's not a bird什么意思 A bird can fly.(改为否定句) Can you fly ( ) like a bird? Bird can fly Not every bird can fly. = Every bird can't fly.吗? A bird can fly .(改为一般疑问句） A bird is an animal which can fly . bird fly I like a not can怎么拼成一句话? which bird can't fly? live a dogs and cats life有什么深层意思 k.it look like a bird and it can fly in the sky k...是一个什么单词?