null set
查询英语单词中文释义、音标、发音和例句。
null set
英
[null set]
美
[null set]
中文释义
[计] 空集, 零集
单词分析
单词结构:
null set
字母数:8
记忆提示
🎯 重点记忆:
- 单词拼写:null set
- 核心含义:[计] 空集, 零集
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更新时间:2026-08-28 08:53:07