The contents of camphor, mentholum, isoborneol and borneol in Guanxingao are determined by gas chromatography.用气相色谱法测定了冠心膏中樟脑 、 薄荷脑 、 异龙脑和龙脑的含量.Objective : To establish a Capillary GC method for the determination of Isob...
我们在语言教学中非常强调交际教学法。We have a very communicative approach to teaching languages.语言教学法最近的变化recent changes in the methodology of language teaching教育界又恢复了传统教学法。In education, the pendulum has swung back to traditional teaching...
Brian was whirling like a dervish, slapping at the mosquitoes and moaning.布赖恩如同旋转舞蹈的托钵僧一样转来转去，一边拍打着蚊子一边抱怨不停。He threw himself around the stage like a whirling dervish.他在台上转圈，如同跳旋转舞蹈的托钵僧一样。They were caught up in a whirling...
逐次逼近式转换器具有中等的速度和分辨率.The successive approximation converter is of medium speed, and average resolution.对称操作的组合规则,是逐次地去运用它们.The rule of combination of symmetry operations is successive performance of them.这类似通过泰勒法展开各项所给出的逐...
Evans had rheumatic fever, missed school and fell behind.伊万斯得了风湿热，没去上课，功课也落下了。The board reversed its decision and asked Mr. Evans to stay on.委员会改变了决定，请求埃文斯先生留下。Evans was trying to obtain a false passport and other docume...
She gave them extra helpings of ice-cream.她又给了他们几份冰激凌。You greedy pig! You've already had two helpings!你这个馋嘴！你已经吃了两份了！He had two helpings of pudding.他吃了两客布丁....
Animals use a whole rang of acoustic, visual, and chemical signals in their systems of communication.动物利用各种各样的听觉、视觉和化学信号来进行交流。She was backed by acoustic guitar, bass and congas.原声吉他、贝斯和康茄鼓为她伴奏。The disturbance is sound wa...