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在《PONS词典》中的词汇

I. strengthen [ˈstreŋθən] 动词 trans

strengthen
巩固 gǒnggù
strengthen
加强 jiāqiáng

II. strengthen [ˈstreŋθən] 动词 不及物动词

strengthen
变强 biànqiáng
Present
Istrengthen
youstrengthen
he/she/itstrengthens
westrengthen
youstrengthen
theystrengthen
Past
Istrengthened
youstrengthened
he/she/itstrengthened
westrengthened
youstrengthened
theystrengthened
Present Perfect
Ihavestrengthened
youhavestrengthened
he/she/ithasstrengthened
wehavestrengthened
youhavestrengthened
theyhavestrengthened
Past Perfect
Ihadstrengthened
youhadstrengthened
he/she/ithadstrengthened
wehadstrengthened
youhadstrengthened
theyhadstrengthened
查看更多的动词变位表