national ambient air
查询英语单词中文释义、音标、发音和例句。
national ambient air quality standards
英
[national ambient air quality standards]
美
[national ambient air quality standards]
中文释义
国家空气品质标准(美国)
单词分析
单词结构:
national ambient air quality standards
字母数:38
记忆提示
🎯 重点记忆:
- 单词拼写:national ambient air quality standards
- 核心含义:国家空气品质标准(美国)
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更新时间:2026-09-21 22:25:10