The biggest kangaroos stand more than 2 meters tall 为什么 2 meters 后面要加一个tall?另外还有一些词,比如high等,都加到这种词后面,为什么?

the biggest kangaroo. Where does the baby kangaroo? what is the kangaroo doing? The red kangaroo is the largest the biggest 和biggest有什么不同 the biggest dreamer是什么意思 The kangaroo can jump （ ）and（ ）. kangaroo,doing,what,the,is造句 Is the kangaroo Australian?为什么用Australian? The last chance,The biggest USA is the biggest trash Australia is the province of the kangaroo.这句话是什么意思 the kangaroo over the fence 添一个动词. 16.The kangaroo is c________ u_________ w________ the others.填词 their biggest中为什么 biggest前没有the kangaroo lsland kangaroo lsland baby,the,jumping,is,kangaroo?连词成句