The diisobutyl dicarboxylate was prepared by using acid and isobutanol as material and acid as catalyst.以二羧酸和异丁醇为原料,用硫酸作催化剂,合成二羧酸二异丁酯.Conducting polyaniline ( PANI ) and poly - O - methylaniline ( POT ) were prepared by ...
Good luck is when an opportunity comes along and you're prepared for it. 好运就是当机会来临时，你早已做好了准备。Many students are not adequately prepared for higher education.许多学生并未做好接受高等教育的充分准备。A minority of officers were prepared to...
She stood, swaying her hips, moving rhythmically.她站在那里，摇摆着臀部，有节奏地晃动着。The flowers were gently swaying in the breeze .花儿在微风中轻轻舞动。The branches were swaying in the wind.树枝在风中摇曳。...
登圣母峰绝不是一次轻松的旅途.Climbing Mt. Everest is anything but a pleasure trip.十七 岁 的尼泊尔高中生坦巴? 伽利 登上圣母峰8848公尺高的峰顶.Temba Tsheri, a 17 - year - old Nepalese high - school student , has reached the 8 , 848 - meter summit of Mount Ever...
To the man sleeping regularly in doorways homelessness is real.常常睡在通道中的人其实就是无家可归.Five decades later, Nian , 76, is on the verge of homelessness.50年后, 现年 76岁的年世福却到了无家可归的地步.The only way to solve homelessness is to provide ...
用盘车机转动主机一圈.Give the engine one complete turn with the turning gear.处置办法凡是是拔取加辛杆强行盘车, 迫使其离不抬.Solutions are often used afterburning improvernent piston force , pressure to leave.盘车数圈,确认机器上无其他物件及碰卡现象.Turn the engine several...
Give me a sketch of your plan.跟我谈谈你的计划梗概。Annie took out her drawing pad and pencil to dash off a sketch of the Indians.安妮拿出画本和铅笔,迅速地画了一幅印第安人的素描.This sketch does not conform with the specifications.图文不符.The sketch map or ...