adj.密封的，不透气的

The mason jar is completely airtight, ensuring the cookies stay fresh for weeks.
这只陶罐完全密封，确保饼干能保持新鲜数周。
The airtight seal on the vacuum cleaner bag prevents any leaks of dust or air.
吸尘器袋子的密封性能极佳，不会让任何灰尘或空气泄露。
She stored her spices in an airtight container to preserve their flavors.
她将香料存放在密封容器中以保持其风味。
The airtight container holds the coffee beans perfectly, maintaining their freshness.
这个密封容器完美地保存了咖啡豆的新鲜度。
The airtight packaging ensures that the crackers remain crispy for a longer time.
防空包装确保饼干长时间保持酥脆。
The airtight lid on the fridge prevents odors from mixing and keeps the food fresh.
冰箱的密封盖可以防止气味混合，保持食物的新鲜。
The airtight seal on the gas tank prevents fuel from evaporating quickly.
汽油罐的密封性能阻止了燃料迅速蒸发。
The mason jar preserves the homemade jam airtight, preventing it from spoiling.
这只陶罐密封地保存了自制果酱，防止其变质。
The container with the special airtight seal is ideal for storing nuts and seeds.
配备特殊密封的容器非常适合储存坚果和种子。
The waterproof and airtight case protects the electronic device from damage and dust.
防水和密封的外壳保护电子设备免受损害和灰尘。