light difference造句

例句与造句

1. The planet was confirmed by the Kepler satellite by the transit method, in which the planet passes across the face of its star in relation to Earth, dimming that star's light by a small amount; this light difference is then used to determine the planet and several of its characteristics, including size and distance from its home star.
2. It's difficult to find light difference in a sentence. 用light difference造句挺难的