Wig: Manufactured head covering of real or artificial hair worn in the theatre, as personal adornment, disguise, or symbol of office, or for religious reasons.

假发：用真发或人造发制成的头套，作戏装或个人装饰品、乔装用品或职位的象征。

youdao

Pitchers were forbidden to give the ball an artificial spin or trajectory by, for instance, nicking it or spitting on it and from discolouring the ball with dirt or tobacco juice or hair grease.

投手则被禁止发人为旋转或轨线的球，例如给球切口或在球上戳刺，也禁止投手用污垢、烟草汁、头油让球变色。

youdao

In general, I discourage use of hair dyes containing artificial coloring agents, which to my mind are as suspect in cosmetic products as they are in food.

总体来说，我不赞成使用带有人工色素染剂的染发剂，对于我来说，对化妆用品的不可信就像对食物中一样。

youdao

She sauntered away and left me facing a spare man of ordinary height, whose reddish-fair hair was cut very short and glistened in the artificial light from the hallway.

NEWYORKER: Amundsen