threefold

三倍的

The company reported a threefold increase in online sales.

该公司表示线上销售额成长为三倍。

三重的、三方面的正式

Our strategy is threefold: reduce costs, improve quality, and expand overseas.

我们的策略分三个层面：降低成本、提升品质、拓展海外市场。

三倍地

The number of applicants has grown threefold since last year.

申请人数自去年以来已成长三倍。