Ruf
n. (Ruf)人名；(德、俄、西)鲁夫；(法)吕夫\\nabbr. 循环承销融资（Revolving Underwriting Facility）；非洲的塞拉利昂国革命联合阵线（Revolutionary United Front）
🗣️ 情景例句
One is as old as one's heart.
心多老人多老。
A fox may grow grey, but never good.
狐狸会变，但本性难移。
and some of these propositions have been violently opposed.
对风俗的研究才是全面的，才会有收获。