VOA慢速英语:One of the Great Mysteries of Our Universe

1. A world without time could exist only as long as there were no changes.

as long as 只要
例句：You'll stay as long as I need you?
只要我有需要，你就会留下来？

2. If the film were moving backward, the pieces would re-join to form a glass and jump back up onto the table.

back up 支持
例句：They try their best to back up the educational cause.
他们尽全力支持教育事业。

3. In fact, there are more conditions of disorder than of order.

in fact 实际
例句：In fact, I'm like that as well.
其实，我也喜欢那样。

4. For example, there are many ways a glass can break into pieces.

for example 例如
例句：Pass a test or a screening, for example.
例如通过检验或调查。
break into 闯入
例句：I watched you break into his house.you followed him?
我看见你闯入他家你跟踪他？