infinity GRE

1.Theoretically, a line can extend into infinity.

从理论上来说直线可以无限地延伸。

2.It is impossible to count up to infinity.

不可能数到无穷大。

3.In this weather the cliff face was a foggy drop into infinity.

在这种天气条件下，雾蒙蒙的悬崖隐入广漠无限之中。