1. He dropped some coins on the floor.
    把一些硬币掉在地上了。

2. Our classroom´s on the third floor.
    我们的教室在三楼.

3. Oh, we all have friends we can tell important things to, people we can call to say we lost our job or fell on a slippery floor and broke our arm.
    噢，我们都有朋友，可以把大事要事向他们倾诉。我们可以打电话对他们说我们丢了工作，或者说我们在湿滑的地板上摔倒了，跌断了胳膊。

4. I have put a carpet on the floor.
    我在地板上铺了一块地毯。

5. I heard sound of footsteps on the floor.
    我听到地板上的脚步声。

6. If you tilt the table , the dishes will slide off onto the floor.
    如果你使桌子倾斜，碟子就会滑到地板上。

7. Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor. Imagine an earthquake shock shaking the floor, the paper, you and your hand.
    假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，假定地震发生了，地板、纸、你和你的手都会动，重物和笔都却不运动。

8. It is not long before they are so accustomed to swimming that they can pick up weights from the floor of the pool.
    他们很快便适应了游泳，以致能捡起池底的物品。

9. It was situated on the first floor, well lighted by a broad window overlooking the park.
    它位于一楼，一个可以俯视到公园的大窗户使房间采光很好。

10. I began to turn round to see what he was looking at and at the same moment, the outside bank guard, the one with the machine gun, came flying through the door and lay face down on the floor.
    紧随其后进门的是三个着实令人恐惧的人，他们头上都带着让人恐怖的面罩，还带着枪；至少最前面的一个拿着一支手枪。