| 单词 | wiper |
| 释义 | Word Frequency wiper(ˈwaɪpə) noun 1. any piece of cloth, such as a handkerchief, towel, etc, used for wiping 2. a cam rotated to ease a part and allow it to fall under its own weight, as used in stamping machines, etc 3. windscreen wiper 4. electrical engineering a movable conducting arm, esp one in a switching or selecting device, that makes contact with a row or ring of contacts |
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