adjective🔗Share不透水的，防水的。 So tightly made that water cannot enter or escape."The new lunchbox is watertight, so my sandwich won't get soggy if it rains. "这个新午餐盒是完全密封的，不透水的，所以即使下雨，我的三明治也不会被淋湿了。nauticaltechnicalbuildingconditionChat with AIVocabulary GamePractice Reading
adjective🔗Share天衣无缝，严密。 So devised or planned as to be impossible to defeat, evade or nullify."a watertight contract; a watertight regulation"天衣无缝的合同；严密的规章制度plansystemtechnicalbusinesslawpoliticsChat with AIVocabulary GamePractice Reading
