whitened
v.
（使某物）变白或更白( whiten的过去式和过去分词 );
例句:
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A hard heel of brown bread whitened with margarine.
来自M. Chabon
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He gripped the wheel until his knuckles whitened.
他紧紧握住方向盘，握得指关节都变白了。
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Pain constricted her heart and whitened her lips.
痛苦折磨着她的心,她的嘴唇也变得苍白了.
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Underneath there was an old boat - cloak, whitened with sea - salt on many a harbour - bar.
再下面有件旧水手斗篷, 已经被海盐染成了白色.
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His wavy Brylcreemed hair looked frivolous in his whitened fingers.
来自NEWYORKER
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I've had my teeth whitened; I've had braces.
来自THETIMES