他们用羊吃得比较干净的平滑的草地当作球道（即球场），用木头插的羊圈的门当作三柱门（即球门），用柳枝做成的曲柄牧羊棍当作球板。
They used the closely nibbled smooth green spaces as their pitch , the wooden barred gate of the sheep pen as their wicket and the crooks made from willow branches as their bats.
拓扑是一门数学，它研究的对象是物体在平滑变形(例如伸长、挤压、弯曲、但不得切断或连接起来)之下仍会保持不变的性质。
Topology is the mathematical study of properties that are unchanged when an object is smoothly deformed, by actions such as stretching, squashing and bending but not by cutting or joining.
屋子前面的入口设置了可水平滑动的巨大谷仓门。
The front entrance to the house is marked by a large barn-style door that slides horizontally.
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