Record rainbow : Some 31,000 students, faculty and alumni of the Polytechnic University of the Philippines create a "human rainbow" in a move to boost the image of the school and a bid to set a new record for world's largest human rainbow in the Guiness Book of World Records. (AFP/Str)

词汇：

rainbow n.彩虹

faculty n.全体教员

alumni n.男毕业生，男校友

polytechnic adj.工艺的 n.工艺学校

boost v.推进

bid n.出价，投标