twofold

例句：

1. Something increased twofold.
   倍增成倍增加的東西
2. Serving two purposes; twofold.
   為雙重目的服務的; 雙重的
3. Characterized by or consisting of two parts or components; twofold.
   雙重的以兩部分或要素為特色的或由之組成的; 兩倍的

英文解釋：

形容詞 twofold:

1. having more than one decidedly dissimilar aspects or qualities-Frederick Harrison
   同義詞：double, dual, two-fold, treble, threefold, three-fold
2. twice as great or many
   同義詞：double, doubled, two-fold

副詞 twofold:

1. by a factor of two
   同義詞：two times