a substance that abrades or wears down 同义词：abradant, abrasive material,
sharply disagreeable; rigorous; "the harsh facts of court delays"; "an abrasive character" 同义词：harsh,
causing abrasion 同义词：scratchy,
An abrasive is a material, often a mineral, that is used to shape or finish a workpiece through rubbing which leads to part of the workpiece being worn away. While finishing a material often means polishing it to gain a smooth, reflective surface it can also involve roughening as in satin, matte or beaded finishes.
例句与用法
1.
Fahmy was transparent and subtle, convivial and abrasive . 法赫米这个人既开朗又含蓄，善于交际而又喜欢磨人。
2.
Abrasive wear may be defined as damage to a surface by a harder material . 磨粒磨损可定义为较硬的材料对一个表面的破坏。
3.
If the washing machine tubs were chipped or damaged, then the abrasive damage to the cuff edge was greatly increased . 当洗衣机桶部破损时，袖口的磨损增大。
4.
The voice was tart, high, businesslike, the tone flat, midwestern, abrasive . 他的声音又尖又高，听来是那么严肃认真，他的口气平淡而枯燥，是中西部美国人的口气。
5.
The most common finishing operations are mechanical, such as milling, grinding, or polishing with abrasives . 最普通的精加工工序是用机械的方法，如研磨，磨削或用磨料抛光。
6.
Thus the type and magnitude of abrasive stresses that a fabric must withstand during use will vary with the type of garment or article . 因此，织物在使用过程中所承受的摩擦压力的类型和大小，将根据衣服和制品的类型而变化。
7.
The slides are first cleaned ultrasonically several times in alternate baths of trichlorethylene and acetone, and are then scrubbed with a mildly abrasive detergent . 首先，把载片轮流放在三氯乙烯和丙酮溶液池中，用超声清洗若干次，然后用一种中极的研磨去垢剂擦洗。
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