bigger。。heavier.longer.thinner.smaller.各造两句话（必须要有生命的物体）

Elephant is Bigger than a mouse, One of the elephant ears weights heavier than a mouse, and Elephant's tail longer than a mouse.

大象比老鼠大，一只耳朵都比一个老鼠重，尾巴比一个老鼠都长。
A river eel is thinner than an adult snake, and smaller too.
鳝鱼比成年的蛇瘦小

哈哈哈哈哈哈