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在《PONS词典》中的词汇

ascertain [ˌæsəˈteın] 动词 trans

ascertain
查明 chámíng
ascertain
弄清 nòngqīng
▶ ascertainable 形
▶ ascertainment 名词
Present
Iascertain
youascertain
he/she/itascertains
weascertain
youascertain
theyascertain
Past
Iascertained
youascertained
he/she/itascertained
weascertained
youascertained
theyascertained
Present Perfect
Ihaveascertained
youhaveascertained
he/she/ithasascertained
wehaveascertained
youhaveascertained
theyhaveascertained
Past Perfect
Ihadascertained
youhadascertained
he/she/ithadascertained
wehadascertained
youhadascertained
theyhadascertained
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