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在《PONS词典》中的词汇

tighten [ˈtaıtən] 动词 trans, 不及物动词 (up)

tighten
(使)变紧 biànjǐn
tighten
(使)严格 biàn yángé
tighten up on security
Present
Itighten
youtighten
he/she/ittightens
wetighten
youtighten
theytighten
Past
Itightened
youtightened
he/she/ittightened
wetightened
youtightened
theytightened
Present Perfect
Ihavetightened
youhavetightened
he/she/ithastightened
wehavetightened
youhavetightened
theyhavetightened
Past Perfect
Ihadtightened
youhadtightened
he/she/ithadtightened
wehadtightened
youhadtightened
theyhadtightened