launch pad造句 31. The elevation and configuration of the launch pad also require consideration. 32. With a roar, it began to rise slowly from the launch pad.英文造句discretionary spendingcrisesindividual income taxhyacinthproperty taxpesticideatomizecheapenarabesquesinuousfall in withskulkingmaliciouslydecanterconvenience storeultraviolettemperature gradientbulgingmethanechicken poxbusboycratevolcanicvulcanizationhelixamphitheaterinterrupteddigestivehearing