Front-light的意思|示意

A ring of LEDs projects infrared light into the space immediately in front of the user so a camera in the device can interpret gestures.

一束由发光二极管发射出的红外线光立刻进入到使用者眼前的空间，这样一个小型摄像机装置，可分析人们的手势轨迹。

It seemed to have two very bright lights at the front and a white light flashing round and round underneath...

飞碟前端好像发出两道亮光，一道白光围绕底部闪个不停。

Along with the others I go past the casket. Then I move out onto the front steps and into the afternoon light.

我跟着人流从棺材前走过，然后来到前门外面的台阶上，午后的阳光直射下来。

In each case, the light is white, directly in front of the camera, and faces three sides of the cube.

这里的光线均为白色，就在摄像机前面，朝向立方体的三个面。

Do it often: in the shower, in front of the mirror, in the car stopped at a red light.

频繁地练习吧：洗澡的时候练习，照镜子的时候练习，车停在路口等红灯的时候也可以张嘴说说。

The best approach is to look for transits, in which an orbiting planet passes in front of its star, dimming the amount of light we detect on Earth.

最好的捷径是寻找宇宙中一天体运行到另一天体与观察者之间，使前者如同经过后者的表面，使我们从地球上观察到的光线变暗。