abrasion 

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GRETOEFLIELTS
单词释义
n.磨损,(皮肤、表皮)擦伤处,(表层)磨损处
词根词缀记忆/谐音联想记忆 补充/纠错
词根ab 去掉 + ras 刮,擦 + ion 表状态  …………
词性拓展记忆 / 词形拓展记忆
原形:abrasion复数:abrasions
词组和短语补充/纠错
abrasion of coin 硬币磨损
marine abrasion 海洋磨损
单词例句
Defective parts in the fuel pumps of some of the vehicles may cause abnormal abrasion, and lead to fuel disruption and unintended engine stop in extreme cases, the administration said.
The side mirrors in some of the above mentioned vehicles may fold unintendedly due to abrasion of parts inside the rear-view mirror switches, which can cause partial blocking of the driver's rear view and will pose safety hazards for people inside.
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