实验室的门被设计成气密的，以防止有害气体泄漏。

The lab door is ___airlocked to prevent harmful gases from escaping.

太空舱的门是气密的，以防止空气泄漏。

The space capsule has an ___airlocked door to prevent air leaks.

被困在小镇这么多年，他感觉完全找不到出路。

After years in this small town, he felt completely ___trapped with no way out.