Many microorganisms possess the ability to dehydrohalogenate DDT to DDE.许多微生物使滴滴涕脱卤化氢变为滴滴依.The house is regularly spraying with DDT.房屋是定期用DDT喷洒.The insects can be exterminated by spraying DDT.可以用喷撒滴滴涕的方法大量杀死这种昆虫.Thousand...
The house is regularly spraying with DDT.房屋是定期用DDT喷洒.The insects can be exterminated by spraying DDT.可以用喷撒滴滴涕的方法大量杀死这种昆虫.Thousands of new chemicals , like DDT, soon resided in every living tissue.DDT等无数新的化学品, 很快渗进了每个活组织....
It was virtually impossible to synchronise our lives so as to take holidays and weekends together.想让我们的生活步调保持一致好一起去度假和过周末几乎是不可能的事。Synchronise the arrival of multiple packages with different points of origin.让不同起始点的多个包裹同时...
他们时时不忘保命.They always saved their own skins in mind.她眼中时时流露出心不在焉的神情，思绪已飘至别处。There was a distant look in her eyes from time to time, her thoughts elsewhere.时时有枪子在屋顶上飞过,“嗤嗤”地响着,一会儿这里的瓦破了, 一会儿那里的瓦又落了.Bullets sang over the ro...
I fasted for a day and half and asked God to help me.我斋戒了一天半，祈求上帝伸出援手。But though I have wept and fasted, wept and prayed.尽管我哭泣过斋戒过, 哭泣过祈祷过.During that period they fasted, made many sacrifices, and avoided unnecessary wor...
She is well-intentioned,but her tactless manner tends to get people’s backs up.她倒是一片好心,但方法不当容易使人生气。He is well-intentioned but a poor administrator.他是个空有一番好意但能力很差的主管。Griffiths was macerated by this blasting flash from his...
它的发病与黄疸型肝炎的前驱期相似.The onset of this disease may resemble the prodromal period of icteric hepatitis.采用硝酸铁、硝酸锌、柠檬酸制备前驱体,在不同加热温度与速率下制备锌铁氧体.The citrate sol - gel synthesis method has been used to prepare zinc ferrite.以硫酸钛作为前驱...
She admonished him gently, "You should rest, not talk so much."她温柔地责备他：“你要多休息，少说话。”She was admonished for chewing gum in class.她在课堂上嚼口香糖，受到了告诫。He admonished his friend not to be late for work.他规劝他的朋友上班不要迟到.They are frequ...