| 单词 | airtight |
| 释义 | airtight —airtightly, adv. —airtightness, n. /air"tuyt'/, adj. 1. preventing the entrance or escape of air or gas. 2. having no weak points or openings of which an opponent may take advantage: an airtight contract. [1750-60; AIR1 + TIGHT] |
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