If you are going to attack one of you opponents, you must have that attack be air tight.
如果你要攻击一个对手,你必须攻击地严丝合缝没有漏洞。
世界奇趣图谱
The wheel wells are not climate controlled, and are definitely not air tight.
轮舱不受气候控制, 绝对不是气密的。
英语百科
Hermetic seal
(重定向自Air tight)
A hermetic seal is the quality of something—a container, structure, etc.—being airtight (excluding passage of air, oxygen, or other gases). Used technically, it is stated in conjunction with a specific test method and conditions of use.