basic ��ͨ�ôʣ�ָ��ȷ������Ļ�������㡣 essential ������basic��fundamentalǿ��ǿ���ز����٣�����ij����ȱ��ij���֣���ʧȥ������������ζ�� fundamental �����ôʣ�����basicʹ�ù㷺������ָ��Ϊ�����������ij������� radical ����ָ����ĸ���������Դ�� vital ��ʽ�ôʣ�����ָά�������������ز����ٵģ����������صġ�
�����
1. It was a vital victory. ����һ����Ҫ��ʤ����
2. The data these probes collect provides information that is vital to your enterprise network. ��Щ̽ͷ�ռ��������ṩ�˶���ҵ����������Ҫ����Ϣ��
3. This book says that our world is in danger. It is vital that we do something to save the earth. �Ȿ��˵���ǵ����紦��Σ��֮�С����ǵ���Щʲô�����ȵ�����������Ҫ�ġ�
ӢӢ����
adj.
1. urgently needed; absolutely necessary
2. performing an essential function in the living body
3. full of spirit
4. manifesting or characteristic of life