airtight
01
密封的, 无懈可击的
having no weak points
02
密封的, 不透气的
sealed or closed completely to prevent air or gas from entering or escaping
例子
The container was airtight, keeping the food fresh for an extended period.
容器是密封的，使食物在很长一段时间内保持新鲜。
Airtight doors are crucial in maintaining controlled environments in laboratories.
密封门对于维持实验室中的受控环境至关重要。
