With the exception of South Africa, the only light rail metro system in sub-Saharan Africa is in Addis Ababa, Ethiopia.

除了南非，非洲撒哈拉以南地区唯一的轻轨地铁系统位于埃塞俄比亚的亚的斯亚贝巴。

youdao

The only light came through a narrow aperture.

仅有的光亮来自一个小孔。

《新英汉大辞典》

Yes-the office light is off, and the only light I have is coming in from the window.

对，办公室的灯都关着，只有窗户进来的光线。

youdao

"The policeman who ran into them was not only drunk, but had gone through a red light and had no siren on.

VOA: standard.2010.05.19

And these rings are indicative of the crystal structure of nickel and can be explained only by invoking wavelike properties of light.

这些光圈,表明了了镍的晶体结构,而且只能通过,光线中波的特征来解释。

麻省理工公开课 - 固态化学导论课程节选

So, it turns out that the photoelectric effect is not the only evidence for the fact that light has these particle-like characteristics.

所以，原来是光电效应,不是唯一的证明光具有,粒子特性的证据。

麻省理工公开课 - 化学原理课程节选

The only light in the room was street light seeping in through the blinds, and a rose-colored hue from the digital clock by the bed.

NPR: Excerpt: 'Killer Weekend'

The only light there was the red one on the top of one of the cameras that filmed the residents' comings and goings from before dawn until long after dusk.

BBC: The Street That Cut Everything

When the result is transformed back into its original condition, the only light remaining marks the position of the target, or things that looked similar to it, in the original image.

ECONOMIST: Optical recognition