| 单词 | light wave |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔-waving〕Sound waves, light waves, and radio waves have a certain frequency, or number of waves per second.声波、光波或无线电波等都有特定的频率，或者说是每秒的波数。柯林斯高阶It was once believed that light waves traveled through the ether. 人们曾经相信光波在以太中穿过。译典通 |
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