expiration
US:/ˌekspɪˈreɪʃ(ə)n/
UK:/ˌekspəˈreɪʃ(ə)n/
n.:
终止；呼气；呼出物；【医】呼气
网络:
期满；到期；过期
Examples
1.
The speed with which an option loses value is called time decay, which becomes steeper as the expiration nears.
期权失去价值的速度叫时间衰减，越接近到期日，衰减越快。
2.
Why would you drink that? It was more than a week past the expiration date.
你为什么要喝那个？已经过期一周了。
3.
Workers put buns that were more than a week over their expiration dates or had been returned by sellers back into mixers to make "new" buns.
工人将已经过期一周多或销售商退回的馒头倒入和面机里，生产出“新鲜”的馒头。
4.
At the expiration of a quarter of an hour she left her sewing and went to read the Thenardiers' letter once more on the staircase.
一刻钟过后，她丢下她的工作，跑到楼梯上又去读德纳第夫妇的那封信。
5.
Corresponds to the expiration date of a contract. The last day on which an option may be exercised into the underlying futures contract.
合约的有效期限。期权在原生期货合约执行的最后交易日。
6.
Left-back Threlfall seems set to leave Liverpool this summer upon the expiration of his contract.
随着今夏合同到期，左后卫特雷法尔预计将离开我军。
7.
They obeyed. After the expiration of a few minutes, five were unanimously selected and stepped out of the ranks.
大家服从了，大约过了五分钟，一致指定的五个人从队里站了出来。
8.
The license has no expiration date and must be displayed prominently in the facility to which it applies.
许可证没有到期日期，必须突出地显示在该设施它适用于哪些。
9.
as soon as practicable after the expiration of that period , comply or fully comply , as the case may be , with that subsection.
须在该期间届满后，在切实可行的范围内尽快遵守或尽快完全遵守（视属何情况而定）该款。
10.
A time limited license used for evaluation purposes or time dependent terms, with pre-set expiration dates.
对于评估目的或其他的时间依赖的授权，针对不同情况都可以预先设定终止日期。