backingup
查询英语单词中文释义、音标、发音和例句。
backingup
英
[backingup]
美
[backingup]
中文释义
n. 封底焊
单词分析
单词结构:
backingup
字母数:9
记忆提示
🎯 重点记忆:
- 单词拼写:backingup
- 核心含义:n. 封底焊
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更新时间:2026-08-27 11:32:01