來自古英語 hrung,橫桿,擋板。后用于指梯子的橫檔,梯級(jí)。
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]
來自柯林斯例句
來自柯林斯例句
來自柯林斯例句
來自《權(quán)威詞典》
來自《簡(jiǎn)明英漢詞典》