ascertain的现在进行时为：ascertaining...

ascertain的近义词有：discover, find, detect, ascertain。下面这些动词均有"发现"的含义：discover：普通用词，指发现本来存在，但示被认识的事物、真理或情况。find：普通用词，可指偶然发现，也可指经过寻找后得到或重新获得已失去的东西。强调动作的结果。detect：正式用词，强调经过周密观察或研究而有所获得和发现，尤指发现有意隐藏之物。 ascertain：较正式用词，指有意搜寻与发现。...

ascertain的音标：ascertain的英式发音音标为：[ˌæsə'teɪn]ascertain的美式发音音标为：[ˌæsər'teɪn]...

ascertain的第三人称单数（三单）为：ascertains...

It can be difficult to ascertain the facts.可能难以查明事实真相。We must ascertain the responsibility in light of different situtations.我们必须根据不同情况判定责任.The legal philosopher's concern is to ascertain the true nature of all the ...

vt.弄清，确定，查明...

ascertain的近义词/同义词有：clear, find, determine, up, out, solve, learn, discover, find, appraise, learn, answer, out, up, clear, solve。vt.ascertain的近义词（确定;探查）：clear, find, determine, up, out, solve, learn, discover。ascertain的近...

It can be difficult to ascertain the facts.可能难以查明事实真相。I'm going to ascertain the truth.我要查明真相.It's difficult to ascertain the coal deposits.煤储量很难探明....

ascertain的现在完成时为：ascertained...

ascertain的一般过去时为：ascertained...