及物动词blacken

1. whiten的反义词

1. I must whiten my tennis shoes.
    我得刷白我的网球鞋。

1. Her face whitened.
    她的脸色白了。

1. 漂白：white 白色的 | whiten 漂白 | whitener 漂白剂

2. 白噪声化：white-noiselevel白噪声级 | whiten白噪声化 | whitener增白剂

3. 变白龙：4 碧水兰天 ocean blue | 5 变白龙 whiten | 6 变色兰 chameleon blue

4. 刷白 漂白：whitemustardseed 白芥菜子 | whiten 刷白 漂白 | whitenedsurface 刷白面

1. (使)变白
    When something whitens or when you whiten it, it becomes whiter or paler in colour.

    e.g. Her knuckles whiten as she clenches her hands harder.
           她的手握得越来越紧，指节都变白了。
    e.g. ...toothpastes that whiten teeth.
           增白牙膏

1. turn white

    e.g. This detergent will whiten your laundry

    Synonym: white