He had gone to the reception desk, presumably to check out.他已经去前台了，可能是要办理退房手续。She wheeled sharply and headed for the check-out counter.她突然转身，朝收银台走去。The police had to check out the call.警方不得不追查那通电话。...
The efficacy of ≥1 dose of MV was calculated to be 69 % ( 95 % CI : 45 % ～83 % ) .≥1剂次MV效力估计为69%,95%CI为45%～ 83%.Personal productions filming and production of MV, birthday party photography and production.个人制作方面MV的 拍摄及其制...