If you suspect a gas leak, do not strike a match or even turn on an electric light.

假如你怀疑有煤气泄漏，不要划火柴，甚至连电灯都不要开。

《牛津词典》

If the venue of your presentation is not adequately light-proof, select a dark-colored background and use any light color for text.

如果演示的地点不具备足够的防光性，请选择深色背景，并为文本使用任何浅色。

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The incandescent light bulb, invented by Thomas Edison, which came to be the symbol of inspiration, has been developed into hundreds, if not thousands, of forms.

托马斯·爱迪生发明的白炽灯成为了灵感的象征，现在已经演变成数百种甚至数千种形式了。

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When you want to know if something is transparent to visible light or not, here is the mystery material and here is visible light.

而我们知道,物体是否对可见光透明，这里是神秘的材料，这里是可见光。

麻省理工公开课 - 固态化学导论课程节选

If the light were not infrared but were instead in the visible spectrum, there was enough of it that the naked eye could have seen a glow, according to Phaedon Avouris , manager of nanometer scale science and technology at IBM (nyse: IBM - news - people ) Research Laboratories in Yorktown Heights, N.

FORBES: IBM Makes Molecule-Sized Light

Mr Edis said the points-swapping would not have come to light if Ms Pryce's "desire of vengeance had not overcome her better judgment".

BBC: Consider case afresh, Pryce retrial jury told

If you are light skinned do not wear white near your face as it will make you look pale.

FORBES: Professional Women Need A Professional Portrait