HSK 7-9
磨损
mósǔn动
to suffer wear and tear; to deteriorate through use; to wear out
频繁使用会加快轮胎磨损。
Pínfán shǐyòng huì jiākuài lúntāi mósǔn.
Frequent use will accelerate tire wear.
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Appears across levels (7-9) in the HSK 3.0 word list.