prolong
🇺🇸
/prəˈlɔːŋ/
🇬🇧
/prəˈlɒŋ/
verb
R
to make something last longer
The medicine helped prolong the patient's life.
这种药物有助于延长患者的生命。
translation
延长
词形变化
3rd Present
prolongs
Past
prolonged
Perfect
prolonged
Progressive
prolonging