Skewback
n. 拱脚斜(石)块, 拱座
🗣️ 情景例句
When is a good time to catch him?
什么时候可以找到他？
Sorry kept you waiting so long. You are on .
抱歉让你久等了，接通了。
It cuts a clean cylinder of rock,
这种钻头能切割一段光滑的圆柱形岩石，