trace gas
查询英语单词中文释义、音标、发音和例句。
trace gas
英
[trace gas]
美
[trace gas]
中文释义
示踪气体
单词分析
单词结构:
trace gas
字母数:9
记忆提示
🎯 重点记忆:
- 单词拼写:trace gas
- 核心含义:示踪气体
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更新时间:2026-09-21 19:01:17