"We have difficult times. We cannot afford everything we wish for if we want to create the future."

VOA: standard.2010.06.16

Once you know those, you can find the position of the object at all future times.

只要知道了这些,你就能知道物体在任意时刻的位置

耶鲁公开课 - 基础物理课程节选

Then in your mind, without realizing it, you found the trajectory at all future times.

在你脑海里,你会下意识地,想像出它之后的抛射轨迹

耶鲁公开课 - 基础物理课程节选

The question I have is, "What is its location at all future times?"

我的问题是,"它之后的位移是多少"

耶鲁公开课 - 基础物理课程节选

At all future times, x proceeds as if nothing happened and then y, you are falling.

在此后的时间里 x 方向上的状态不变,而 y 方向上不断下落

耶鲁公开课 - 基础物理课程节选