磨练 磨练的英文 英语翻译 chasten; furnace; harden oneself 拓展翻译 梅毒性第一磨牙Fournier teeth煤的磨碎coal grinding面包心磨bread crumber摩擦磨蚀fretting corrosion磨abrade; burnish; grind; mill; milling; strop; whetgrinding; mill磨剥denudation磨擦grindattrite; friction磨擦泵friction pump磨擦材料abrasives磨擦测功计friction dynamometer磨擦传动装置friction gearing磨擦的grinding磨擦附着frictional attachment磨擦革buffed grain磨擦供纸装置friction feeder磨擦剂abradant; abrasive磨擦夹联结器friction clip coupling磨擦夹钳friction grip磨擦减震器friction damper磨擦角friction angle