Vietnamese wordvệ sinh môi trườngIn your course · Chapter 56Part of speechnounLevelB2Meaningsenvironmental sanitationSource: Tonada courseRelated wordsan ủito comfort someonebuồn bãsadbất đồngdisagreementbối rốiconfused and unsurechỉ sốmeasured indexcoi trọngto value highlycuối thưat the end of a lettercảm xúcemotional feeling