他们四人各自裁判一条边线或一条端线。

They each judge one side line and one base line.

youdao

处于两个端线之间的每一点都代表该点的时空效率。

Every point in between the two ends has a certain time and space efficiency.

youdao

亨利由端线发球。

Henry threw in from the end line.

youdao

亨利由端线发球。

Henry threw in from the end line.

youdao