1. Missing is a reactive course by heart. ˼����һ�����鷴Ӧ�Ĺ��̡�
2. The components of solid propellants are of necessity highly reactive and essentially incompatible. �����ƽ����ɷֱ����Ǻܻ��õģ��������Dz����ݵġ�
3. Its theory elements is the growth characteristic of forage crop, the reactive disciplinarian for cultivation condition, and the rule of yield form. �����ۻ����������������������������Լ��������������Ӧ�Ĺ����ԺͲ����γɵĹ����ԡ�
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adj.
1. participating readily in reactions
2. tending to react to a stimulus