n. 横档,脚蹬横木;地位
v. 给…打电话(ring的过去式和过去分词)
n. (Rung)人名;(泰、柬、瑞典)龙;(芬、德、匈)龙格
rung 梯子的横档,梯级
来自古英语 hrung,横杆,挡板。后用于指梯子的横档,梯级。
This [rungs] has generally been considered as a mere corruption of rounds; and people of education use only this latter word. [John Pickering, "A Vocabulary or Collection of Words and Phrases which have been Supposed to be Peculiar to the United States of America," Boston, 1816]