collapsing造句 121. A closed universe is a finite universe -- it will only expand to a certain size before collapsing.英文造句palatinatekelvin scalehand grenadeunearned incomecovertnesssocial drinkernitersilvannonmetalaerobic exercisepolicy evaluationmass producedstarlesscoloredexpendedradio controlmake some differencebusiness letterlook hereunwornindustriousnessptosisin the hope thatin favorjudicial systemcast outtill the cows come homerunning gamereprehension