abrasive 

12703
GRETOEFL
单词释义
n.(用来擦洗表面或使表面光滑的)磨料
adj.研磨的,有研磨作用的,生硬粗暴的,粗鲁的,伤人感情的
词根词缀记忆/谐音联想记忆 补充/纠错
词根ab 去掉 + ras 刮,擦 + ive …的 → …………
词性拓展记忆 / 词形拓展记忆
原形:abrasive复数:abrasives
词根记忆 / 词缀记忆
abrasive a 有打磨作用的(ab+ras+ive)
ras, rad=scrape,表示”刮擦”
erase v 擦掉(e出+rase=擦出去)
eraser n 橡皮,黑板擦(erase+er)
abrade v 磨损(ab去掉+rad …………
单词例句
Sun Dongxu, then CEO of East Buy, sought to put things in proper perspective, but his manner online was seen as abrasive by Dong's fans, which prompted the company's board to oust Sun on Saturday and replaced him with Yu Minhong, founder and chairman of New Oriental.
时任东购CEO的孙东旭试图正确看待事情,但董的粉丝们认为他在网上的表现很粗鲁,这促使公司董事会在周六将孙赶下台,由新东方创始人兼董事长俞敏洪接任。
Zhecheng's production of diamond micron powder-an ultra-fine abrasive made with artificial diamonds used for grinding and polishing hard materials like gemstones-makes up 70 percent of the nation's output and 50 percent of export volume of the substance, according to the local government.
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