arc second
查询英语单词中文释义、音标、发音和例句。
arc second
英
[arc second]
美
[arc second]
中文释义
弧秒;角秒(等于second, arc-second)
单词分析
单词结构:
arc second
字母数:10
记忆提示
🎯 重点记忆:
- 单词拼写:arc second
- 核心含义:弧秒;角秒(等于second, arc-second)
- 相关含义:角秒(等于second, arc-second)
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更新时间:2026-08-29 17:29:29