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在《PONS词典》中的词汇

per·fo·rate [ˈpɜ:fəreɪt, ˈpɜ:rfər-] 动词 trans

to perforate sth
to perforate sth (once)
Present
Iperforate
youperforate
he/she/itperforates
weperforate
youperforate
theyperforate
Past
Iperforated
youperforated
he/she/itperforated
weperforated
youperforated
theyperforated
Present Perfect
Ihaveperforated
youhaveperforated
he/she/ithasperforated
wehaveperforated
youhaveperforated
theyhaveperforated
Past Perfect
Ihadperforated
youhadperforated
he/she/ithadperforated
wehadperforated
youhadperforated
theyhadperforated