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在《PONS词典》中的词汇

pro·tract [prəʊˈtrækt, proʊˈ-] 动词 trans

to protract sth
Present
Iprotract
youprotract
he/she/itprotracts
weprotract
youprotract
theyprotract
Past
Iprotracted
youprotracted
he/she/itprotracted
weprotracted
youprotracted
theyprotracted
Present Perfect
Ihaveprotracted
youhaveprotracted
he/she/ithasprotracted
wehaveprotracted
youhaveprotracted
theyhaveprotracted
Past Perfect
Ihadprotracted
youhadprotracted
he/she/ithadprotracted
wehadprotracted
youhadprotracted
theyhadprotracted