如果我透过窗户看你，物体在一些轨道上，有上升和下降，也有水平运动。

If I see you through the glass, the object is going on some trajectory, which has got both up and down and horizontal motion.

youdao

阳光透过卧室的窗户，明晃晃地照在我的身上，让我心里立刻有了这种温暖的感觉。

The sun was shining brightly through my bedroom window, and it immediately gave me this warm feeling inside.

youdao

我可以透过窗户看到他点头说：“还没有。”

I could see him through the opening nodding his head, saying, "Not yet."

youdao

But if I see you through the glass, the object is going on some trajectory, which has got both up and down and horizontal motion.

但是如果我透过窗户看到你,这个物体沿着某个轨迹运动,既有上下,也有水平方向的运动

耶鲁公开课 - 基础物理课程节选