Nostalgia will be high on the menu as we celebrate the anniversary.在我们庆祝纪念日时怀旧将是重头戏。Measures to combat terrorism will be high on the agenda.采取行动打击恐怖主义是当务之急。He appears to be high on some sort of narcotic.他看上去飘飘欲仙，像是吸食了某种致幻毒品。The new library will be high on the agenda.新图书馆将处在日程的重要位置。