Water transportation was outmoded by railroads and good pikes.水上运输已因铁路和良好的税道而变得过时了.A severe snowstorm blocked up railroads.一场暴风雪使铁路中断.Where do the two railroads connect [ link up ]?两条铁路在 何处 连接?...
These derivatives are readily obtained by alkylation of 2 - mercaptopyridine and alkyl halides under alkaline conditions.这些衍生物可以容易地在碱性条件下通过 2- 巯基吡啶和卤代烷的烷基化而得到.The different contents of various alkylation products were ob...
Has the dandelion, the lavandula spica, the carnation, the rose and so on.有蒲公英, 熏衣草, 康乃馨, 玫瑰等.His head fuzzed like a dandelion gone to seed.他头上全是绒毛,就像接籽的蒲公英.The seeds of dandelion were carried to the meadow by the wind.风...
To locate ( underground water or minerals ) with a divining rod ; douse.用占卜杖探 ( 水源或矿脉 )The pumps were started and the crew began to douse the fire with water.水泵开动了，消防队员们开始用水灭火。Competitors quickly tried to douse another c...