abbr.U2型;无密级;分发;不受限制;U2乐队
例句:
It marked the first time such a wide selection of U2 memorabilia was available to collectors, organizers said.
据拍卖主办方介绍,此次活动是U2乐队首次面向收藏者举行的大规模拍卖。
Total mRNA was extracted from cell line U2 OS.
从人骨肉瘤细胞U2OS中,抽提总mRNA。
and find out where U2 lives?
看看U2乐队住在哪里?