好词典

airtight

UK //ˈeətaɪt//US //ˈertaɪt//

词源

复合词,源自 air(空气) + tight(紧密的),最早记录于19世纪,原指物理密封性,后引申为逻辑严密性。

adjective

❶ 指完全密封不透气的状态,常用于描述容器或空间能有效阻止空气进入或泄漏。

“Store the cookies in an airtight container to keep them fresh.”

(将饼干存放在密封容器中以保持新鲜。)

“The submarine's cabin must be airtight to withstand deep-sea pressure.”

(潜艇舱室必须完全密封以承受深海压力。)

❶ 比喻论证、计划或说法严密无漏洞,难以被质疑或推翻。

“The lawyer presented an airtight case that convinced the jury.”

(律师提出了一个无懈可击的案件,说服了陪审团。)

“Her alibi was airtight, so the police had to release her.”

(她的不在场证明毫无破绽,警方只能释放她。)

同义词:sealed, impermeable, watertight, secure, flawless

常见短语

airtight seal — 指完全密封的状态,常用于描述包装或机械部件的密封性能。

“The jar has an airtight seal to preserve the pickles for years.”

(罐子有密封条,可以让泡菜保存多年。)

airtight argument — 形容逻辑严密、无懈可击的论点,多用于学术或法律场景。

“The professor's airtight argument left no room for counterpoints.”

(教授严密的论点让人无法反驳。)