Skewback
n. 拱腳斜(石)塊, 拱座
??? 情景例句
How can you do business with the americans? You'll need to improve your English first.
你怎么能與美國(guó)人做生意？你得先提高自己的英文水平。
The whole thing was held up about half an hour.
整個(gè)事情耽擱了約半小時(shí)。
Many strange new means of transport have been developed in our century,
本世紀(jì)已研制出許多新奇的交通工具，