doorstone
查询英语单词中文释义、音标、发音和例句。
doorstone
英
[doorstone]
美
[doorstone]
中文释义
n. 门槛石
单词分析
单词结构：
doorstone
字母数：9
记忆提示
🎯 重点记忆：
- 单词拼写：doorstone
- 核心含义：n. 门槛石
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更新时间：2026-08-31 02:21:15