substantiate
v[Tn]
give facts to support (a claim, statement, etc); prove 用事实支持(某主张、 说法等); 证明; 证实
Can you substantiateyour accusations against him? 你指责他, 能提出事实根据吗?
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时,供气管一直在排放氧气。
Even before India won independence from its British rulers, it was clear that Gandhi was the key figure and leader in the struggle of 380 million Indians to govern themselves.