Nigrometer
黑度计
🗣️ 情景例句
All set for lunch, Harry.
午餐的一切都准备好了， Harry。
That's a liberal point of view.
那是一个开明的观点。
It is the one world in the Solar System that is most like the Earth.
火星是太阳系里与地球最接近的一颗行星。