There was a low protecting wall to knock down the heat blasting from the pit of the furnace.有一堵低矮的护壁挡住从炉膛里喷出的火焰。Pop music can be heard 10 miles away blasting out from the huge tented shanty-town.响亮的流行音乐从10英里之外巨大的搭满帐篷的棚户区...
By happy coincidence, Robert met Richard and Julia and discovered they were experiencing similar problems.幸运的是,罗伯特碰巧遇到了理查德和朱莉娅,发现原来他们也碰到了类似的问题。The economy is experiencing an upturn.经济正在好转。Many poor households are experie...
Some commercial laboratories use periodic nitrate tests as guides.许多商业性的试验室已应用定期的硝态氮分析作为指导.In the presence of ethanonitrile and glycol, anisole reacts with ammonium ceric nitrate to form o - nitroanisole.在乙腈、聚乙二醇存在下, 用苯甲...