| 单词 | 直线传播 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔line〕Light travels in a straight line .光沿直线传播。朗文当代〔wave-particle duality〕The exhibition of both wavelike and particlelike properties by a single entity, as of both diffraction and linear propagation by light.波粒二象性：单一实体表现出的波和粒子的双重特性，如光具有衍射和直线传播的二重性美国传统 |
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