공부_영어공부
a thick skin(동요하지 않음)
촛농불
2017. 8. 15. 08:31
![[스피킹이 강해지는 영어] a thick skin](http://image.chosun.com/sitedata/image/201708/15/2017081500106_0.jpg)
출처 : http://news.chosun.com/site/data/html_dir/2017/08/15/2017081500106.html