您要查找的是不是：
- Light travels faster than sound. 光比声音速度快。
- Light travels faster than anything else. 光跑得任何东西都快。
- The light travels faster than the sound. 光比声音的传播速度快.
- It is known to all that light travels faster than sound. 众所周知,光比声传播得快。
- Light travels fast . 光速非常快。
- It is because light travels faster than sound that we see lightning before we hear thunder. 因为光的传播速度比声音快，所以我们先看见闪电后听见雷声。
- Since light travels faster than sound, we see lightening before we hear the peal of thunder. 因为光速大于音速，所以我们是先看到闪电后再听到雷响。
- Since light travels faster than sound, we see lightening before we hear the thunder. 因为光比声传播的快,所以我们先看见闪电,后听到雷鸣。
- The teacher told them since light travels faster than sound, lightning appears to go before thunder. 老师告诉他们,由于光传播得比声音快,所以闪电好像发生在雷声之前。
- A third theory embraces the idea that a minute acceleration exists in the velocity of light, which might result in the appearance that the probes are slowing down: if light travels faster, telemetry signals arrive faster, and the craft seem to be closer. 第三种理论则认为光速有著很小的加速度，导致太空探测器的减速效应：假如光传播得较快，遥测讯号会较早抵达，使得太空船看来似乎离我们较近。
- Can you tell me how fast light travels? 你能告诉我光速有多快吗?
- Nothing can travel faster than light. 光比任何东西都传播得快。
- News travels fast in the toy industry. 酒井先生:玩具业的消息传的很快。
- Two people were ahead of us, and travelling fast. 有两个人在我们前面,走得很快。
- MR. SAKAI: News travels fast in the toy industry. 酒井先生：玩具业的消息传的很快。
- Light travels about 300,000 kilometers per second. 光的速度大约每秒三十万公里。
- The same way as slow light travels. 和慢的光线一样传播。
- He said that light travels much faster than sound. 他说光比声音传播得快。
- Light travels at a speed of 300,000 km per second. 光以每秒30万千米的速度传播。
- Light travels much faster than sound. 光的传导比声音快得多。
