释义 n.微振磨损；侵蚀v.给弦乐器装品定音；用回纹饰装饰；使烦躁；侵蚀（fret 的 ing 形式） 实用短语fretting corrosionfretting wearfretting fatigue微动疲劳,磨蚀疲劳fretting apparatus微动磨损试验机fretting damage微动损伤fretting hand按弦的手fretting motion减少或去除微振动滑擦fretting corrosionwear微动腐蚀磨损fretting the心乱了 常用短语fret over心乱了