ＭＭＲワクチンエムエムアールワクチンMeanings1nounMMR vaccineVaccine against measles, mumps, and rubella. A medical term.子こ供どもは１歳いっさいでＭＭＲワクチンを接せっ種しゅします。Children receive the MMR vaccine at age one.
