Wet ammonium chloride usually contains some alkaline substances , which interfere with the determination of moisture in ammonium chloride 摘要湿氯化铵中常含有部分碱性物，影响氯化铵中水分的测定。
Believe me , the energy of young men is often a safer guide in warfare than all the experience of the old cunctators 请您相信，年轻人的精力在战争中常比优柔寡断的老年人的经验能更稳当地指明道路。 ”
4 the features of the classical chinese itself formed through the long history has often been overlooked in the course of teaching 4文言文由于历史久远而存在着自身特点，但这些特点在教学中常被忽视。
Squalls or violent gusts often occur with thunderstorms . they bring about abrupt increases in wind speed and drastic changes in wind direction 雷暴中常出现狂风或猛烈阵风，风速骤然增强或风向突然改变。
Substation automatization system often uses communication controller to carry out communication with field computer and remote computer 变电站自动化系统中常采用通信控制器负责与上位机及调度中心的通信。
My husband had to work in the daytime , so i stayed up nights to look after her as she frequently asked for water in her sleep 丈夫和我轮流看护她。她睡中常要喝水，因丈夫日间要工作，所以晚上由我看护她。
The accompanying exercises will enhance your writing skills and are relevant to the practical demands of the business world 我们更应用一些在实际商业社会中常发生的个案作为练习，让你从学习中增强写作能力。
At the same time , the author describes an improved genetic algorithm to resolve the discovered problems of the simple genetic algorithm 同时，针对传统遗传算法中常出现的问题，本文提出一种改进遗传算法。
While sweet potatoes and squash are not typically a big part of an american diet , they invariably end up on the holiday table 虽然蕃薯和南瓜并不是美国人饮食中常吃的东西，可是在节日时，他们总会被端上桌。
If you don t see any good news today , then you need to remember that old testament word . wait . w - a - i - t . " wait on the lord 我不知道数量上是否最多，我没有数过，但从印象来说，旧约中常提到的一个字是wait ， wait就是
