- 问题详情:WhenIfirststarteduniversity,Irememberedhearingaboutbonemarrow(骨髓)donationduringFreshman’sWeek.SomestudentsvolunteersfromagroupcalledMarrowtriedtoconvincemetoattendaneventsoIcouldlearnmoreaboutit.Theword“bone”immediatelymademethinkthatdon...
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