Block and tackle: Combination of pulleys with rope or cable, commonly used to augment pulling force.滑轮和滑车组: 带绳索和缆绳的滑轮组, 通常用于增大拉力.Levers and pulleys are simple machines.杠杆和滑轮是简单机械.Among them were rickshaw pulleys, peddler...
OBJECTIVE : To compare several METHODS : ameliorating the disintegration of calcium citrate tablet.目的: 比较几种改善构橼酸钙片崩解度的方法.Piperazine citrate is the drug of choice in the treatment of Ascaris infestations.枸橼酸哌嗪治疗蛔虫感染是最好的药物...
The blue whale is the largest living thing on the planet.蓝鲸是地球上体型最大的生物。I had a whale of a time in Birmingham.我在伯明翰度过了一段非常快乐的时光。Norwegian whalers said yesterday they had harpooned a female minke whale.挪威的捕鲸人说昨天他们用捕鲸叉捕获了一头...
Where the show really excites is in the display of avant-garde photography.那场展览真正令人激动的就是先锋派摄影的展示。In Paris he made friends among the avant-garde.他在巴黎结交先锋人士。In essence, resistance of avant garde art is just a game.先锋艺术的反抗实...
Now, use your pocketknife to touch the mica and see what will happen.现在你用小刀去触及岩石中的云母,看看会产生什么现象.It could not pass through material impervious to water such as mica.它不能通过云母这样的不透水的物质.To this class of substance belong mica, ...