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- Geochemical dynamics is an important branch-field of geochemistry.It has been one of the necessary ways to study the evolution and development of the process of geochemistry. 摘要地球化学动力学是地球化学的一个重要分支学科，目前已经成为研究地球化学过程演化发展的必然途径之一。
- It is necessary that he be sent there at once. 有必要马上派他到那里去。
- Adults Education: the Necessary Ways to the Training of New Farmers 成人教育:新农民培育的必由之路
- Her evil ways will certainly catch up with her. 她的恶劣行为必将使她自食其果。
- It is rash to cross the street without looking both ways. 不朝两边看看就穿马路是莽撞的。
- Trucks shuttled to and fro on the high ways. 车辆在高速公路上穿梭行驶。
- Is it necessary for me to attend the meeting? 我真的必须参加这个会议吗？
- She will make necessary arrangements. 她会作好必要的准备。
- Woman has been portrayed by artists in many ways. 艺术家用各种形式塑造了女性的形象。
- He's a big man in more ways than one. 他是个了不起的人－－在很多方面。
- There's no sign of him mending his ways. 看不出他有改进生活方式的迹象。
- Some adjustment of the lens may be necessary. 可能有必要调节一下镜头。
- He tried to find ways of mollifying her. 他想方设法安慰她。
- I consider it absolutely necessary. 我认为那绝对必要。
- The bacillus can attack us from many ways. 细菌能从许多途径侵入我们。
- I feel it is absolutely necessary. 我觉得这是绝对必要的。
- It was agreed that another meeting was necessary. 大家一致认为有必要再开一次会。
- I think it is necessary to learn science. 我认为学科学是必要的。
- If necessary, I'll be glad to run you about. 如果需要，我们乐意用汽车接送你。
- There are several ways of approaching the problem. 处理这个问题有好几个方法。
