grinder
柯林斯词典
1. N-COUNT In a kitchen, a grinder is a device for crushing food such as coffee or meat into small pieces or into a powder. 食物研磨机
...an electric coffee grinder. …一个电动磨咖啡机。
2. N-COUNT A grinder is a machine or tool for sharpening, smoothing, or polishing the surface of something. 研磨机
The grinder is used for making precision tooling. 这台研磨机用于制作精细工具。
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