1:00
ko
SC
22
massage:마사지, 안마
stranger:낯선사람
free:무료의
campaign:캠페인
encouragement:격려
volunteer:자원봉사자
organization:조직, 단체
place:놓다, 장소
seperate:분리된
incubator:미숙아 보육기, 인큐베이터
reduce:감소하다,줄다
risk:위험
infection:병균,감염
calmly:고요히
difficulty:곤란,장애
condition:상태
rate:비율,속도
temperature:온도,기온
rapidly:빠르게
method:방법
common:흔한
gently:천천히, 서서히