硝化作用是废水生物脱氮中的关键.Nitrification is the key to biological wastewater nitrogen removal.活性炭基催化剂是低温烟气脱氮的优良催化剂.Activated carbon - supported catalysts are excellent catalysts for denitrification of flue gas temperature.厌氧氨氧化是一种全...
当时雷声大作,大滴大滴的雨点开始落下来.There was a loud crash of thunder and large drops of rain started falling.大滴泪珠在她眼中聚集,热泪滚下脸颊.Large tears gathered in her eyes and broke hot across her cheeks.雨正大滴大滴地从屋顶漏下来.The rain was leaking in large...
We are determined to defend our motherland at all costs.我们决心不惜任何代价保卫祖国.Team orders on the final day were to avoid the dreaded blank at all costs.最后一天，队里的指示就是不惜一切代价实现零的突破。They told Jacques Delors a disastrous world trade ...
She embroidered on this theme for about ten minutes.她围绕这个主题添枝加叶地说了大约10分钟。They sat talking and necking in the car for another ten minutes.他们在车里又坐了10分钟，边说边搂着亲热。They used to buy ten kilos of beef in one lump.他们过去常买10公斤重的整块牛...