http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
英语
西班牙语
ascertain [美 ˌæsərˈteɪn, 英 ˌasəˈteɪn] 动词 trans
- ascertain
-
- ascertain
-
在《PONS词典》中的词汇
在《PONS词典》中的词汇
| I | ascertain |
|---|---|
| you | ascertain |
| he/she/it | ascertains |
| we | ascertain |
| you | ascertain |
| they | ascertain |
| I | ascertained |
|---|---|
| you | ascertained |
| he/she/it | ascertained |
| we | ascertained |
| you | ascertained |
| they | ascertained |
| I | have | ascertained |
|---|---|---|
| you | have | ascertained |
| he/she/it | has | ascertained |
| we | have | ascertained |
| you | have | ascertained |
| they | have | ascertained |
| I | had | ascertained |
|---|---|---|
| you | had | ascertained |
| he/she/it | had | ascertained |
| we | had | ascertained |
| you | had | ascertained |
| they | had | ascertained |
无例句可用
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单语范例（未经PONS编辑处理）
His greatest invention was the dynamometer used for ascertaining the power for driving machinery.
en.wikipedia.org The normal operating speed is ascertained, resulting in each class member being balanced accordingly.
en.wikipedia.org He was living in 1803, but the date of his death has not been ascertained.
en.wikipedia.org So all persons intended to benefit by the donor must be ascertained if any effect is to be given to the gift.
en.wikipedia.org She was dry docked to ascertain her condition as she had nine feet of water in her hold.
en.wikipedia.org