thereonKK [ðɛˋrɔn] /ðɛˈɹɔn/发音副词1在其上、在那上面正式The land and all buildings erected thereon belong to the trust.该土地及其上所建的一切建物均属信托所有。2就此、关于该事项正式The committee reviewed the report and commented thereon.委员会审阅了该报告并就此提出意见。用这个字练口说→