At that point there was a light knock on the door.
就在这时，有人轻轻地敲门。
Although I'm blind, I carry the lantern, not only light for others, but let others see me, so they won't knock me.
虽然我是盲人，但我提着灯笼，不仅是为别人照亮，而且让别人看到我，这样他们就不会撞到我了。
If these officials saw the light of oil lamps in someone's home and heard the sound of reading, they would knock on the door and say, "The mayor adds oil for your lamp!"
如果这些官员看到有人家里的油灯亮着，而且听到读书的声音，他们就会敲门说：“市长给你的灯加了油！”
The energy of light varies across the spectrum (blue light is more energetic than red) but only a certain amount of energy is needed to knock an electron free.
光谱中光的能量是不同的(蓝光比红光更具能量)，但是只需一种确定的能量来碰触电子使其脱离。
The light photons, or bundle of light energy, knock electrons in the chromium atoms.
光子，即光能束，冲击铬原子中的电子。
Solar cells work because visible and ultraviolet light are powerful enough to knock electrons free from atoms.
太阳能电池工作的原理在于高能量的可见光和紫外光能把原子中的电子激发为自由电子。
Solar cells work because visible and ultraviolet light are powerful enough to knock electrons free from atoms. The electrons go on to form a useful direct current.
太阳能电池的工作原理是：可见光和紫外光轰击物体时足以使电子从原子中逃逸出来形成光电子，光电子进而形成可利用的直流电。
One man drove his car tardily through the congested traffic flow, when he stopped at a red light and heard a knock by a shabby boy on the window to aks if he would like to buy flowers.
有一个人在拥挤的车流中开着车缓缓前进，在等红灯的时候，一个衣衫褴褛的小男孩敲着车窗问他要不要买花。
Researches on knock combustion in BJ492Q using spark plug optical sensors are presented in this paper. The effects of knock intensity on light emission are studied.
应用火花塞光纤传感测量系统对BJ 492 Q汽油机爆燃燃烧进行测量和研究，分析了爆燃燃烧时火焰光辐射的变化情况。
First they have Knoll Unmult, which is a free little plugin that comes along with Knoll Light Factory to knock out the black on solids with lens flares on them.
首先他们诺尔unmult，这是一个免费的小插件来一起诺尔轻厂淘汰的黑色固体的镜头耀斑他们。
First they have Knoll Unmult, which is a free little plugin that comes along with Knoll Light Factory to knock out the black on solids with lens flares on them.
首先他们诺尔unmult，这是一个免费的小插件来一起诺尔轻厂淘汰的黑色固体的镜头耀斑他们。
应用推荐