pipe dream片语KK [paɪp drim] /paɪp dɹim/发音片语1白日梦、空想、痴心妄想Owning a house in this city is just a pipe dream for us.在这座城市买房子对我们来说只是个白日梦。名词1白日梦、空想He called the plan a pipedream and refused to invest.他说这个计划纯属空想,拒绝投资。用这个字练口说→