aboard/abroadaboardprep.adv.在(船/车/飞机等)上;上(船/车/飞机等)Hewasalreadyaboardtheplane.他已经登机了。Theplanecrashed,killingall200peopleaboard.飞机失事,机上200人全部遇难。abroadadv.在国外;到国外Hewasfamous,bothathomeandabroad.他享誉国内外。accept/concept/exceptacceptv.接受Idontthinktheywouldacceptthatview.我认为他们不会相信那个观点。conceptn.概念;观念Hecantgraspthebasicconceptsofmath...