bigger不表示语态。
adj. 更大的（big的比较级）The bigger boys started scrapping.
年龄较大的男孩打了起来。
We changed the car for a bigger one.
我们换了一辆较大的车。
The company is growing bigger all the time.
这家公司在不断地扩大。
A much bigger battle is ahead for the president.
总统还将面临一场更大的战斗。
It would be more economical to buy the biggersize.
买尺寸大点的更实惠。
