substantiate怎么读，substantiate什么意思，substantiate短语和例句

1.Attempts to substantiate the presence of the intermediate have not yet been fruitful.

有人试图证明中间体的存在，但尚未成功。

2.Claims are therefore specially hard to substantiate.

因此特别难去证明相关声明。

3.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？

4.There is little scientific evidence to substantiate the claims.

几乎没有能证实这些断言的科学证据。

5.Unfortunately, such data would be of little value to substantiate shorter or abnormal cycles.

不幸的是这些数据对于突发的或不正常的循环没有价值。

6.More data is needed to substantiate the effectiveness of adsorption on sludge as a removal process.

需要更多的资料来论证污泥吸附作为去除方法的效能。