noun · a cloth used for covering or as a veil

她出门时垂下一方黑幂遮住脸，显得十分神秘。

noun, abbreviation · to cover something with a cloth

大祭司走上祭台，神情庄重地将那些礼器幂好。

noun · the product of multiplying a number by itself; exponent

二的三次方也可以称为二的三次幂。