Vietnamese wordđường dây nóngIn your course · Chapter 40Part of speechnounLevelB1Meaningsradio call-in linepublic-health hotlineSource: Tonada courseRelated wordsnhắn lạito pass a message backan ủito comfort someonebuồn bãsadbãi cátsandy beachbình anpeace and safetybình minhsunrisebình yênpeacefulbướcstep in a procedure