| 例句 |
The alarm emits infrared rays which are used to detect any intruder.警报器能发出红外线探测闯入者。Beyond the red end of the visible light spectrum is infrared.在可见光谱红色一端之外是红外线。Diamond is the only material transparent to infrared.钻石是只有红外线才能穿透的材料。Hot objects emit infrared radiation.热物体发出红外辐射。At night infrared cameras track these birds even as they sleep.在夜晚，红外摄像机记录这些鸟的行踪，包括它们睡觉时的情形。The reflected light was found to be missing infrared wavelengths.他们发现反射的光线波谱中缺少红外线波长。Their pilots are guided by an infrared optical system that shows images clearly even at night.他们的飞行员使用红外光学系统导航，即便在夜晚也能清楚地显示影像。 |