单词	筹办工作
释义	筹办工作 preparation
随便看	water ring air pump water-ring air pump water ring compressor water-ring prime pump water ring primer water ring pump water-ring pump water ringt water ring vacuum pump water-ring vacuum pump water ring vacuum system water rinse water rinse bath water rinsed type nonflammable paint remover water-ripple water rise water rising water-rising and water-receding model water risk assessment enviroment water rivulet water robin water-roceiving area water-rock water-rock chemical reaction water-rock coupling