observational materi
查询英语单词中文释义、音标、发音和例句。
observational material
英
[observational material]
美
[observational material]
中文释义
观测材料
单词分析
单词结构:
observational material
字母数:22
记忆提示
🎯 重点记忆:
- 单词拼写:observational material
- 核心含义:观测材料
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更新时间:2026-08-30 20:59:47