genius是什么意思呀?

n.
1.天资,天赋,才华[U]
She has genius.
她有天赋.
2.天才,英才[C]
Einstein was a great scientific genius.
爱因斯坦是一个伟大的科学天才.
3.才能,才干[S] [(+for)]
He has a genius for getting along with children.
他擅长与孩子们打成一片.
4.对别人有巨大影响的人[C]
5.(民族,时代,地方等的)特质;精神[the S]