| 1. | The coin is flipped differently each time . 每次掷出钱币的动作都不相同。 |
| 2. | He scooped the coins up in his hands . 他用手把硬币捧了起来。 |
| 3. | She stuffed the coins into her pocket . 她把硬币塞进口袋里。 |
| 4. | The coins of every country are difficult to learn at first . 各国的辅币起初都难于辨认。 |
| 5. | To begin, we enumerate all possible ways in which the coins can land . 首先,让我们列出硬币落在盘中时所有可能出现的方式。 |
| 6. | Everyone assumes he is to blame but they do not know the other side of the coin . 大家都认为是他的错,但他们都不知道事情的另一面。 |
| 7. | She put the coins back in the old purse, and went upstairs without hesitating for a moment . 她把金币重新装入破旧的钱袋,毫不迟疑地上了楼。 |
| 8. | He stood rigid for a moment, then opened his hand slowly and stared blankly at the coins in his hand . 他呆若木鸡地站了一会,然后缓慢地张开一只手掌,盲然地注视着手中的钱币。 |
| 9. | In statistical language, we would say that the relative frequency become stable as the number of tosses becomes large(if we are tossing the coin under uniform conditions) . 用统计学的语言来说就是随着抛掷增加(假定抛币条件不变),相对频率越来越稳定。 |