He bought the three mansions for a knockdown £7 million.他以700万英镑的低价买了这3座大宅。Fifth Avenue was boarded up where the rich had deserted their mansions.第五大道上的富翁们已经出去避暑,空出的宅第都已锁好了门窗,钉上了木板.Oh, the mansions, the lights , the perf...
固体微粒是从溶液中过滤出来的.The solid particles were filtered from the solution.物质是由叫做分子的微粒组成的.Substances consist of small particles called molecules.这些火焰造成了对流漏斗，把许多微粒抛向上层大气。These fires create convection funnels, and throw a lot of p...