barium meal

chemical substance, opaque to X-rays, that is taken in to a patient's digestive tract, usu by swallowing, before the tract is X-rayed 钡餐.

barefaced, barefoot (also barefooted), bareheaded, barelegged, barely, bareness, Barents, bargain, bargain counter, bargain hunter, bargain-hunter, bargaining, bargaining counter, bargaining position, barge, barge-pole, bargee, bargemaster, baritone, barium, bark, barker, barley, barley sugar, barley water, barleycorn, barmaid, barman, barmy, barn, barn dance, barn-owl, barnacle, barnstorm, barnstormer, barnyard, barometer, barometric, baron, baroness,