"Don't do it again," Franklin cabled her when he got her letter.富兰克林收到她的信后给她拍了封电报，说：“别再那么做了。”In France, 27 major cities are soon to be cabled.法国有27座大城市不久将安装有线电视。In the UK, 254,000 homes are cabled.在英国，有254,000户住户安装了...
"Don't do it again," Franklin cabled her when he got her letter.富兰克林收到她的信后给她拍了封电报，说：“别再那么做了。”Their fishing boats were cabled together before the storm came.暴风雨降临前，他们的渔船都用缆绳系在一起。They cabled the news to her family.他们把...
牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。When not removed, plaque causes tooth decay and gum disease.牙齿和牙龈之间会滋生牙斑。Deposits of plaque build up between the tooth and the gum.需刷牙以去除牙斑.It is necessary to remove plaque by brushing one's tee...
方法: 用溴代及胺化反应合成了四甲基吡嗪衍生物.METHODS: The target compound was prepared by the bromination and amination reaction.用溴—甲醇溶解Al_2O_3, 其回收率在91%以上.If Al 2 O 3 is dissolved by Br 2 - CH 3 OH, its Recovery rate is above 91 %.用溴比用氯时产出率...
I tutored in economics.我教经济学。She was tutored at home during her illness.在生病期间,她在家接受私人教师的辅导.She was tutored at home during her long illness.她长期生病期间有人在家辅导她....