back sth up
查询英语单词中文释义、音标、发音和例句。
back sth up
英
[back sth up]
美
[back sth up]
中文释义
[网络] 回来了
单词分析
单词结构:
back sth up
字母数:11
记忆提示
🎯 重点记忆:
- 单词拼写:back sth up
- 核心含义:[网络] 回来了
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更新时间:2026-08-29 04:31:19