a long deep track made by the repeated passage of the wheels of vehicles 车辙 ■(figurative)a habit or pattern of behaviour that has become dull and unproductive but is hard to change (喻)老规矩,老一套,常规,惯例 the EC was stuck in a rut and was losing its direction. 欧洲共同体变得墨守成规,失去了方向。
late 16th cent.: probably from Old French rute (see route)
rut2 noun
(the rut)an annual period of sexual activity in deer and some other mammals, during which the males fight each other for access to the females (雄鹿和其他一些哺乳动物的)发情期
(rutted, rutting)
[no obj.][often as adj. rutting]engage in such activity (雄鹿等)动情,发情 a rutting stag. 一只发情的成年牡鹿。
派生 ruttish adjective 语源
late Middle English: from Old French, from Latin rugitus, from rugire 'to roar'