Substantiating
v. 用事实支持（某主张、说法等）, 证明, 证实( substantiate的现在分词 )
✅ 同义词
🗣️ 情景例句
Mom.
妈妈。
I ought to tell him the whole story.
我应该告诉他整个事情的始末。
steam boats carried thousands of visitors across the Channel from Europe.
但汽船还是把成千上万的参观者从欧洲大陆送过了英吉利海峡。