He was in the study playing draughts by the fire with Albert.他正和艾伯特在书房的炉火旁下国际跳棋。Draughts help to circulate air.穿堂风有助于空气流通。Chess, draughts and ludo are'board games.国际象棋 、 国际跳棋及儿童掷色子游戏都是在棋盘上比赛的游戏.Seal ( up ) the windo...
Like Kennedy, he mused about the perils of nuclear war.同肯尼迪一样, 他念念不忘核战争的危险." Where are we going from here? " mused one of Rutherford's guests.卢瑟福的一位客人忍不住说道: ‘我们这是在干什么? ”"I ought to reconsider her offer to move in," ...
My half - awake and sulky men were clattering into shape on the road.我那些半睡 半 醒的恼怒的士兵哗啦啦地在大路上排起队来.She followed him diffidently through the clattering machines.她跟着他,怯生生地走过那些轰隆作响的机器.The typewriter was clattering away.打字机啪嗒啪...
Sodium ethylate was used as catalyst in Baker - Venkataraman of cyclization, and all factors were studied.环合反应采用乙醇钠作为Baker-Venkataraman重排反应的催化剂, 研究了影响反应的各个因素....