Since the speed of light is about a million times as great as that of sound waves, the reflection of light waves may very well be applied in detecting a target and its distance.

光速大约为声速的100万倍，因此光波的反射现象可以有效地用来探测目标物及其距离。

youdao

By integrating historic film material with contemporary images this filmic poem continues the timeless reflection of East and West in images, words and sound.

通过把历史电影素材和当代图像结合起来，这部电影诗歌继续用图像、文字和声音进行关于东西方的永恒思考。

youdao

This however will ultimately only be a reflection of behavior that is associated with the sound of music played within the field of each human and upon the land in the cities.

然而本质上，这将只是一个与每个人能量场及城市土地上所演奏的酸涩音乐所相应的行为反映。

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They don't sound so good on reflection.

FORBES: Magazine Article

The 44-page work is a no-nonsense member of the well-known Dummies series that purports to educate the nation's public pension officials on the ABCs of sound financial management--a task that the author himself concedes is a chilling reflection of the state of public pension fund management.

FORBES: Magazine Article