a particular of a subject or a activity是什么英语单词的意思

问题描述:

a particular of a subject or a activity是什么英语单词的意思
还有2个不知道意思
1.the scientific knowledge and equipment that is needed for a particular industry.
2.impressive and something frightenging;very good;excellent

a particular of a subject or a activity的意思是“一个特定的主题或活动”the scientific knowledge and equipment that is needed for aparticular industry.的意思是“为一个特定行业需要科学知识和设备”第2...