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to expire
01
去世, 死亡
to pass away or cease to live
Intransitive
02
到期, 失效
(of a document, contract, etc.) to no longer be legally recognized because of reaching the end of validity period
Intransitive: to expire point in time
03
呼气, 叹气
to release air from the lungs, often as a breath or sigh
Transitive: to expire air
04
到期, 失效
(particularly of a time period) to no longer be valid or active
Intransitive
05
过期, 失效
to become unsafe to use after a certain period of time
Intransitive: to expire | to expire point in time
expire
v
expiration
n
expiration
n
expiratory
adj
expiratory
adj
expired
adj
expired
adj
例子
The president’s term of office expires in December.
This bottle of cough syrup expires in two weeks.
His tenure as CEO expires at the end of the fiscal year.
The unused vacation days will expire if not taken before the end of the year.
The contract with the supplier automatically expired after three years, requiring renegotiation of terms for continued service.
