id	keyword
eltls-4605	reality
eltls-4605	painting
eltls-4605	technology
eltls-4605	teaching
eltls-4605	students
eltls-4605	reality technology
eltls-4605	art
eltls-4605	figure
eltls-4605	xizai
eltls-4605	han
eltls-4605	banquet