메뉴, 버튼, 안내 문구에 적용돼요.학습 콘텐츠는 영어로 유지돼요.
/skɹiːn do(ː)ɹ ɔn eː sʌb.məˈɹin/
a completely useless thing
“His paper shield was a screen door on a submarine.”