adjective🔗Share密封的，不透气的。 Impermeable to air or other gases."The container was airtight, so the food stayed fresh for a week. "这个容器是密封的，一点儿空气都进不去，所以食物放了一个星期都还是新鲜的。materialphysicstechnicalChat with AIVocabulary GamePractice Reading
adjective🔗Share天衣无缝，完美无缺。 Having no weak points or flaws."We have an airtight argument they won’t be able to punch holes in."我们有一个天衣无缝的论点，他们根本找不到任何漏洞反驳。qualitybusinesstechnicalChat with AIVocabulary GamePractice Reading
adjective🔗Share守口如瓶，惜字如金 (of a person) Highly reserved in some matter, particularly tight-lipped or tight-fisted."My aunt was airtight about her plans for the family reunion; she wouldn't share a single detail. "我阿姨对家庭聚会的计划守口如瓶，一点儿细节都不肯透露。characterattitudepersonChat with AIVocabulary GamePractice Reading
