airtight

形容詞

1. 1

   密封的、氣密的、不透氣的

   Store the coffee beans in an airtight container to keep them fresh.

   把咖啡豆放在密封容器裡才能保持新鮮。

2. 2

   無懈可擊的、滴水不漏的

   Her alibi was airtight, so the police let her go.

   她的不在場證明滴水不漏，警方只好放她走。