When I was your age, a girl would never ask a boy out on a date.
当我像你这么大的时候,从来没有女孩子主动约会男孩子的。
Here is a copy of itinerary we have worked out for you and your friends.Would you please have a look at it?
这是我们为你和你的朋友拟定的活动日程安排。请过目一下,好吗?
If we could actually see the path described by a particle,such as a sand grain in the rock,
假如我们真能看到的运动轨迹,诸如岩石中一个沙粒分子