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在《PONS词典》中的词汇

I. ramp up 动词 不及物动词

II. ramp up 动词 trans

to ramp up sth production, speed
Present
Iramp up
youramp up
he/she/itramps up
weramp up
youramp up
theyramp up
Past
Iramped up
youramped up
he/she/itramped up
weramped up
youramped up
theyramped up
Present Perfect
Ihaveramped up
youhaveramped up
he/she/ithasramped up
wehaveramped up
youhaveramped up
theyhaveramped up
Past Perfect
Ihadramped up
youhadramped up
he/she/ithadramped up
wehadramped up
youhadramped up
theyhadramped up