A 'gear' is a mechanism consisting of two or more wheels or toothed wheels that engage with each other to transmit force or motion.
gear
| 单词 | gear |
|---|---|
| 发音 | [gɪə] |
| 释义 | n. 齿轮；传动装置；装置，工具 |
| 词序 | 2630 |
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