词头顺和反常用于双取代的环烷烃.The prefixes cis and trans are frequently applied to disubstituted cycloalkanes.如果象拜耳张力学所估计的那样,小环的环烷烃具有相当大的张力.If the small - ring cycloalkanes are under considerable strain as predicted by the Baeyer stra...
She frees her mass of hair from a rubber band and shakes it off her shoulders.她解开橡皮筋，将浓密的头发披散在肩头。The little girl stretched her rubber band.小女孩拉长橡皮筋.He stretched the rubber band till It'snapped.他拉长橡皮筋,啪地一声拉断了....
获得高水平的英语能力to gain a high level of competence in English使你的工作保持在高水平上.Keep your work on a high plane.为更高水平的游泳爱好者新建的25米长的游泳池受到了大家的欢迎。The new 25 metre pool for more serious swimmers is a welcome addition....
...a businessman who began by selling golf shirts from the boot of his car...靠他的汽车后备箱练摊兜售高尔夫球衫起家的商人His smiling face appears on T-shirts, billboards, and posters.他的笑脸出现在T恤衫、公告牌和海报上面。Far from being an invading army, the re...
他八十多岁了,身体虚弱, 双目失明.He was over eighty years of age, infirm and totally blind.真看不出他是八十高龄的老人.He carries his eighty years well.他身高一米八十.He stands one metre and eighty....
她一头栽倒在地。She fell forwards on to her face.那位筋疲力尽的赛跑运动员一头栽倒,直喘气.The exhausted runner threw himself down and gasped.她突然向前栽倒在桌上，晕了过去。She suddenly fell forward on to the table and fainted....
Express mail service has just begun in this town.在这个小城, 特快专递服务刚刚开始。He stepped out of his first-class sleeper on the night express from London.他从由伦敦开来的午夜快车的头等卧铺车厢里走出来。The ship was sunk on express orders from the Prime Min...