FAQs About the word twofold

双重

having more than one decidedly dissimilar aspects or qualities, twice as great or many, by a factor of two

单身,未配对

twofer => 两个, two-faced => 两面派, two-eyed violet => 双眼紫罗兰, two-dimensionality => 二维性, two-dimensional figure => 二维图形,