second class mail
查询英语单词中文释义、音标、发音和例句。
second class mail
英
[second class mail]
美
[second class mail]
中文释义
开口信;单据,印刷品等邮件
单词分析
单词结构：
second class mail
字母数：17
记忆提示
🎯 重点记忆：
- 单词拼写：second class mail
- 核心含义：开口信;单据,印刷品等邮件
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更新时间：2026-08-28 00:10:07