substantiate

动词

1. 1

   证实、证明属实、佐证正式

   He could not substantiate his claims with any documents.

   他无法用任何文件证实他的说法。

2. 2

   充实、强化正式

   New data substantiated the theory the team proposed last year.

   新数据强化了团队去年提出的理论。