1. The facts substantiated your statement. 事实证明你说的是有根据的
2. Do you have any proof to substantiate your alibi? 你有证据表明你当时不在犯罪现场吗?
3. Ask the promoter of the plan to substantiate claims with hard evidence. 请这个计划的发起者用强有力的证据证明这个宣称。
英英解释
v.
1. establish or strengthen as with new evidence or facts
2. represent in bodily form
3. make real or concrete; give reality or substance to
4. solidify, firm, or strengthen