ascertain

过去式：

动词过去式: ascertained

更多词形：

形容词: ascertainable | 副词: ascertainably | 名词: ascertainableness | 动词过去式: ascertained | 动词过去分词: ascertained | 动词现在分词: ascertaining | 动词第三人称单数: ascertains |

单词例句：

The question is how to ascertain what the people really want.

问题在于一定要弄清人们究竟需要什么。

I will contact my superiors at once to ascertain the facts.

我会马上和我的上司联系弄清事实的。

The police are trying to ascertain what really happened.

警方正设法查个水落石出。

We could not ascertain how it happened.

我们没能弄清它是怎样发生的。

The insurance adjustor had to ascertain the exact value of the missing jewels.

这个保险金估算人必须核实这些丢失的珠宝的价值。

An autopsy was needed to ascertain the cause of his death.

需验尸方能确定他的死因。

Do you think you can ascertain prospect of selling such product ?

您认为您能够确定这种产品的销售前景吗?

It can be difficult to ascertain the facts.

可能难以查明事实真相。

We could not ascertain how it happened .

我们没能弄清它是怎样发生的。