expiration
- n. 呼气；终结；届期
考试真题
- There is no expiration ( ' , 失效 ) date on wisdom, he says.
出自-2016年6月阅读原文
- "There is no expiration (失效) date on wisdom," he says.
2016年6月四级真题（第二套）阅读 Section B
- The demand for energy resources may compel renegotiation of Antarctica's treaties before their expiration.
出自-2016年12月阅读原文
- One major cause of this problem is the confusion over food expiration labels, which are currently not regulated by the government.
2017年12月六级真题（第一套）听力 Section A