The gem cannot be polished without friction, not a man perfected without trials.
📚 名句词汇解析
从本句名言中提取的重要词汇,帮助你深度理解这句话
n. 摩擦;冲突,不和;摩擦力;
💡 frica, frict 表”摩擦”
"the coefficient of friction"
摩擦系数
近义:massage, rub, scour, scrub, swab, swob
polished
['pɔliʃt]
adj. 磨光的,擦亮的;完美的,精良的;优雅的;
v. 使光滑,擦亮(polish的过去式和过去分词);
"The boxer polished off his opponent in the first round."
那个拳击手在第一个回合就把他的对手击倒了.
近义:sleek, burnished, glace, waxed, frosted, ground
反义:abrasive, asperous, rough, tart, coarse
=can not;未可;不能;不可;
"You cannot stay here ad infinitum without paying rent."
你不付房租就不能永远住在这里。