secondary backing
查询英语单词中文释义、音标、发音和例句。
secondary backing
英
[secondary backing]
美
[secondary backing]
中文释义
第二层底布
单词分析
单词结构:
secondary backing
字母数:17
记忆提示
🎯 重点记忆:
- 单词拼写:secondary backing
- 核心含义:第二层底布
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更新时间:2026-08-30 12:54:44