whiten例句

Her knuckles whiten as she clenches her hands harder.
她的手握得越来越紧,指节都变白了。

I must whiten my tennis shoes.
我得把我的网球鞋刷白.

Use: Used to wash, condense and whiten the pulp.
用途: 适应于浆料的洗涤 、 浓缩和漂白.

相关问题