proof ground
查询英语单词中文释义、音标、发音和例句。
proof ground
英
[proof ground]
美
[proof ground]
中文释义
试验场
单词分析
单词结构:
proof ground
字母数:12
记忆提示
🎯 重点记忆:
- 单词拼写:proof ground
- 核心含义:试验场
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更新时间:2026-08-28 08:12:39