airtight /'єәtait/ GRE英语词汇 📖 中文释义 a. 气密的, 不透气的, 无懈可击的[机] 气密, 不透气 📘 English Definition(英文释义) s. having no weak pointss. not allowing air or gas to pass in or out ← airthmetic circuitry A 字母词表 airtight joint →