step down gear
查询英语单词中文释义、音标、发音和例句。
step down gear
英
[step down gear]
美
[step down gear]
中文释义
n. 减速齿轮
单词分析
单词结构:
step down gear
字母数:14
记忆提示
🎯 重点记忆:
- 单词拼写:step down gear
- 核心含义:n. 减速齿轮
最近查询:
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更新时间:2026-08-31 15:53:23