他用微型声波发射器开启了门。He activated the door with the miniature sonic transmitter.这个声音的声波如图B所示。The sound waves of the voice could be diagramed as in B.声波在真空里不能传播.Sound waves will not travel through a vacuum....

“声波”的拼音为：shēng bō...

“声波”的英语可以翻译为：sonic wave，sound wave，acoustic wave，elastic wave ...