Plants need various useful chemicals in their process of growth
植物在生长过程中需要各种有用的物质
The secretary is busying herself about the preparation for the meeting to be held.
秘书正在忙着为即将举行的会议做准备
Although people think fiction is assuredly set free from present political circumstances, but its authors depict those circumstances in ways other than ideological.
尽管人们都认为小说的背景设置是与当前的政治环境无关的，但是，作者们除了在意识形态方面，还在其他各个方面都对这种政治环境进行了描述。
1.Plants release useful chemicals acompanied their growth.
2.The secretary is called to attend the meeting.
3.Although,this fiction that discriped is assuredly from political circumstances,but its authors discriped it in ways of substantial other than ideological.
感觉我的substantial用的不对，请赐教啊`~~~
楼主