饮用水;挥发性卤代烃;氯仿;四氯化碳.Study on the levels of volatile halogenerated hydrocarbon in drinking Linyi City.摘要研究了碳酸铯催化酚与卤代烃反应制备烷基芳醚.Cesium carbonate catalyzed O - alkylation of phenol to synthesize alkly aryl ethers.此外, 芳基硼酸与卤代烃...
他们从水里打捞起那艘船.They fished the boat out of the water.她把他从水里拉出来，让他坐在岩石上。She helped him out of the water and sat him down on the rock.我帮忙把他从水里拉了出来。I helped pull him out of the water....
The three of us manhandled the uncovered dinghy out of the shed.我们三个人把无篷小划艇推出了棚子。Foreign journalists were manhandled by armed police, and told to leave.外国记者遭到了武警的粗暴对待和口头驱逐。They manhandled the old man along the corridor.他...
从一开始,这种灼烈的狂热就和卑下的动机混合在一起了.From the very first this flaming enthusiasm was mixed with base elements.她觉得掠过她脑际的这种思想是卑下的.She felt it mean to think the thoughts that ran through her head.这座城镇笼罩在一种卑下的贫乏和啃书本的浓雾中,学的全是以往的渣滓.A scu...