Finally, we can ascertain the threshold value by oil attributes of the wells we have known.

Mr Deborah : Did you question Sir Charles ascertain the facts?

问过查尔斯爵士,核查过事实了 吗 ?

If somebody grills ( someone ) it means that they question at length in order to ascertain something.

的意思是长时间讯问某人以追查某事.

At noon the next day, a man mounted the bridge to ascertain the vessel's position.

第二天是12月13号,中午, 只见一个人走上舰桥测定方位.

The first step is to ascertain whether the target has a new lover.

首先要确认目标对象是否有了新恋人.

We'll ascertain such matter through joint assessment.

我们将通过双方共同估算来确定这些东西的价值.

I ascertain that he was murdered.

我确定他是被谋杀的.

The causes of unhappiness in the past and in the present are not difficult to ascertain.

过去和现在的不幸根源不难查明.

We could not ascertain how it happened.

我们没能弄清它是怎样发生的.

I am going to ascertain the truth.

我将弄清事实真象.

It has been difficult to ascertain the correct source of origin.

要查实材料的正确起源很困难.

It is difficult to ascertain the exact duration of protection.

要弄清确切的予防有效期并不容易.

They are doing everything possible to ascertain his whereabouts.

他们正在尽力调查他的下落.

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.

It's difficult to ascertain the coal deposits.

煤储量很难探明.

I'm going to ascertain the truth.

我要查明真相.

Through doing this, the teacher will be able to ascertain the extent to which the child understands what he is reading.

这样一来，老师就能确定孩子们对他所读的内容理解多少了。

A Swiss company offers to help environmental investors by sending teams round factories to ascertain their greenness.

一家瑞士公司表示愿意向工厂周边派遣小组进行环境检测以协助环境投资者。

Take time to ascertain what services your bank is providing, and at what cost.

花些时间确认一下你的银行会提供什么样的服务，费用是多少。

It can be difficult to ascertain the facts.

可能难以查明事实真相。

Scattered matter, brought to an ascertainable density, closed, with the weight of the world.

分散的事物达到一定可确定的密度与世界之重相交.