我给他发了一份很长的传真，说我不需要女仆。I sent him a long fax, saying I didn't need a maid.女仆每星期换一次床单。Once a week, a maid changes the sheets.女仆怒气冲冲地瞪了几眼，匆匆地出去了。The maid, casting black looks, hurried out....
She went up the steps, caressing the broken white banisters, and pushed open the front door.她走上台阶, 一路抚摩着那些损坏的白栏杆, 然后推开前门,大厅阴暗而寒冷,像个地下墓穴似的.He was gently caressing her golden hair.他深情抚摸着她的金发。He sat silent still caressing T...
All over the world, oil spills regularly contaminate coasts.在世界各地，油溢出物经常污染着海岸。The sources of organisms that may contaminate the wound are numerous.可以沾染伤口的细菌来源是很多的.White cells contaminate the red cell and platelet compone...
The substance is extremely hydrophobic and therefore exhibits some unique properties in water.这种物质是异常疏水的,因此在水中出现某些独特的性质.Molecules with both hydrophilic and hydrophobic groups are called amphipathic or amphiphilic.分子兼有亲水的...