by-time

The mass was calculated by timing the orbit of Eris' moon Dysnomia.

通过对厄里斯的卫星--戴丝诺米娅运行轨道计时后计算出了厄里斯的质量。

I passed the time by counting the cars that drove past the school.

我用数驶过学校的小汽车消磨时间。

Your patience is tested by time.

时间将考验你的耐心。