extension of validit
查询英语单词中文释义、音标、发音和例句。
extension of validity
英
[extension of validity]
美
[extension of validity]
中文释义
有效期的延长
单词分析
单词结构:
extension of validity
字母数:21
记忆提示
🎯 重点记忆:
- 单词拼写:extension of validity
- 核心含义:有效期的延长
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更新时间:2026-09-21 19:01:16