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- LCoS panel itself could not emit light, so it needs to rely on external light source. 硅晶微显示屏幕本身并不能发光，故需要依赖外来光源。
- Illuminating the substance with an external light source, as Maiman did, can also pump electrons. 梅曼表示，以外部光源照射物质，同样也可推送电子。
- Arrive when external light illuminate when material surface, the person is experienced to the vision of material surface. 当外部光线照射到材料表面时，人对材料表面的视觉感受。
- These nanocrystals, which can be pumped by illuminating them with an external light source, are only a few atoms wide, so they can achieve quantum confinement. 这些奈米晶体可藉由外部光源照射加以激发，由于它们直径仅数个原子宽，可以形成量子局限现象。
- The phase holograms are expected to be able to guide the emission straight out from the OLED device and hence the external light coupling efficiency can be improved. 这种相位全像术可以预期将发射出来的光直线导出有机发光二极体元件因此可以改善外部发光耦合效率。
- A difference of the Fermi energies may result from the absorption of external light (photoluminescence) or from the injection of electrons and holes via selective contacts (electroluminescence). 费米能级差可能源自对外来光源的吸收（光致发光），也可能来自选择性接触形成的电子和空穴注入（电致发光）。
- The electronic clock uses oversize LED display of time and temperature, which can adjust automatically LED luminance in relation to the external light intensity and actual time elapse. 本电子钟采用加大LED显示时间、温度，能根据外部光强和实际时间自动调节LED的亮度。
- The water resistant Viking utilizes a soft, one-piece eyecup to prevent external light distortion and light leakage from the device, allowing the user to remain hidden in the night. 防水的海盗夜视仪带有一个整体式的眼罩。这不仅可以防止外部的杂光干扰观察，也可以避免从夜视仪发出的光暴露出使用者的位置。
- The Langham, Hong Kong: Will turn off its external lighting, promotional light boxes and non-essential illumination in the lobby, reception area and designated hotel restaurants for one hour. 香港朗廷酒店：将关掉酒店大堂、前堂部、部分餐厅及外墙宣传及照明电灯一小时。为鼓励客人支持及参与，届时将有魔术师于漆黑的大堂施展魔法幻影；
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- In this paper, we propose three fiber optical CATV systems.Firstly, an externally modulated AM-VSB CATV system that uses external light injection technique is proposed and demonstrated. 在本论文中，我们共提出了三个系统架构，以外部光源注入的技术，探讨光纤有线电视传输系统的特性。
- He is just listening in external of that room. 他正在那房间的外面留神听着。
- The portrait shows fine effects of light and shade. 这幅肖像画的浓淡色调表现得很好。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- Now I begin to see light on their good intentions. 现在我对他们的良好动机开始有所领会了。
- This news program only covers external events. 这一新闻节目只报道国外消息。
- The bright light of the car dazzled me. 这汽车的灯光使我目眩。
- He turned off the dash light and drove on. 他关掉仪表板上的灯，继续驱车前进。
- She sets great store by external politeness. 她很注重表面的虚礼。
- The light was diffused by the leaves. 树叶使光线漫射。
