threefold

形容词 threefold:

1. three times as great or many
   同义词：treble, three-fold, triple
2. having more than one decidedly dissimilar aspects or qualities-Frederick Harrison
   同义词：double, dual, twofold, two-fold, treble, three-fold

副词 threefold:

1. by a factor of three
   同义词：three times

1. Having three parts; threefold.
   三重的，三部分的有三个部分的，三重的
2. Composed of three parts; threefold; triple.
   三倍的，三重的，三部分的由三部分组成的，三重的