"We prolonged our stay" "She extended her visit by another day" "The meeting was drawn out until midnight"
"We sustained the diplomatic negotiations as long as possible" "prolong the treatment of the patient" "keep up the good work"
prolong是什么意思
prolongable是什么意思
prolongate是什么意思
prolongation是什么意思
prolonge是什么意思
prolonged是什么意思
prolotherapy是什么意思
prolusion是什么意思
prome是什么意思
promenade是什么意思