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- How much does sound travel faster in water than in air? 声音在水中比在空气中传播快多少?
- Just how fast does sound travel through the air? 声音在空气中的传播速度究竟有多快?
- Light, heat, and sound travel in waves. 光、热和声以波的形式传播。
- Sound travel more slowly than light. 声音比光传播得慢些。
- Sound travels through the medium of air. 声音通过空气这一媒介传播。
- How much does sound travel faster in water than in air ? 声音在水中比在空气中传播快多少?
- So fast does sound travel that it is difficult for us to imagine its speed. 声音的传播速度快得使我们难以想象。
- Sound travels much and much more slowly than light. 声音比光走得慢得多得多。
- Sound travels about one kilometre in three seconds. 声音在三秒钟里大约传播一公里。
- Sound travels through the medium fo air. 声音通过空气作为媒介传播。
- Sound travels better in water than in air. 声音在水中比在空气中传播得快。
- Sound travels more slowly than light. 声比光传播得慢。
- Sound travels at 1, 100 feet per second in air. 声音在空气中的传播速度为每秒钟1,100英尺。
- Sound travels slower than light. 声音传播比光慢。
- Sound travels much more slowly than light. 声音传播的速度比光要慢得多。
- All sounds travel to our ears in about the same way and come to us in waves that can be seen only with special electronic equipment. 所有的声音都以大约相同的方式传到我们的耳朵,传给我们的声波只能用特殊的电子设备才能显现。
- We know sound travels about one kilometre in three seconds. 我们知道声音三秒钟传播一公里左右。
- When sound travels through air,the air as a whole doesn't move. 当声音在空气中传播时,作为一个整体来看,空气并不运动。
- In water sound travels nearly five times as fast as in air. 声音在水中的传播速度几乎是在空气中传播速度的五倍。
- Sound travels nearly three times faster in copper than in lead. 声音在铜中传播的速度几乎是铅中的三倍。