noun🔗Share조수선, 조류선A line (of seaweed or differently coloured sand etc) on the shore showing the level of high or low tide"After the storm, a dark tidemark of seaweed showed how high the waves had reached on the beach. "폭풍우 후, 해초로 된 어두운 조수선이 파도가 해변에서 얼마나 높이 도달했는지 보여주었다.environmentgeographygeologynatureoceannauticalplaceweatherChat with AIVocabulary GamePractice Reading
noun🔗Share흔적, 경계(by extension) any mark showing the limit of some past activity"The stack of unread emails on my boss's desk formed a clear tidemark of how busy he'd been last week. "내 상사의 책상에 쌓인 읽지 않은 이메일은 지난주에 그가 얼마나 바빴는지 보여주는 분명한 경계였다.markpasthistoryChat with AIVocabulary GamePractice Reading
noun🔗Share물때 자국, 물때A line of scum left on a bath tub when the water is drained away"After my long bath, a dirty tidemark was left around the tub. "오랜 목욕 후, 욕조 주변에 더러운 물때 자국이 남았다.appearanceutilityenvironmentmarkChat with AIVocabulary GamePractice Reading
