目的: 研究毛瑞香的化学成分.Objective : To study the chemical constituents from Daphne odora var. atrocaulis.本文报道了用~1Hnmr法测定瑞香科植物芜花的花蕾中提取的一种 抗 生育有效成份—芜花酯丁的结构.In this article, 1 H NMR structural identification of Yuanhuatine - anti - ...
我一跨进校门, 同学们就开始讥嘲我.I run onto the gate, the students began to Jichao me.它很窄, 你一跨就跨过去了.It's quite narrow, you can easily step across.布雷克一跨出电梯就看见了她.When Blake stepped out of the elevator, he saw her....
It is cinnabar and dickite, kaolinite petrochemical and hydrothermal alteration of the product of mercury.它是辰砂与迪开石 、 高岭石化热液蚀变及汞矿化的产物.Int he paper , classify clay area into hard rock dickite, altered kaolin and sandy kaol...
At least four high-flying warplanes had to take evasive action.至少有4架高空飞行战斗机不得不采取避让行动。He was evasive, to the point of secretiveness.他含糊其辞，让人觉得有意隐瞒。If the bullets start coming this way, take evasive action.如果子弹朝这边打来, 就采取规避...
把这些象形字缀合在一起表示了另一层次的观念.By combining these pictographs, a second order of ideas is expressed.象形字是汉字构造的基础.Pictograph is the base of conformation of Chinese character.“山”的象形字原来是三座山峰堆在一起的.The pictograph a mountain was origina...