1. A command specifying an elementary machine operation to be performed within a basic machine cycle. �涨��һ����������������ִ��ij�ֻ�������������һ�����
2. Conservation laws, being based on the most elementary and intuitive ideas, are the most profound statements of natural law. �غ㶨�ɶ��ǻ���������ĺ�ֱ���ĸ�����Զ�����Ȼ���ɵ�����̵ij�����
3. Getting Ahead is a course for learners at elementary level who want to improve their English for business and professional purposes. �õ�ǰ����һ��·��Ϊ��Ҫ�Ľ����ǵ�Ӣ��Ϊ��ҵ��ר��Ŀ��ѧϰ���ڻ�����ˮƽ��
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adj.
1. easy and not involved or complicated
2. of or being the essential or basic part