Nigrometer
黑度计
🗣️ 情景例句
There aren't too many examples of this style of architecture left these days.
现在这种风格的建筑已所剩无几了。
Send a postcard to me when you arrive in Shanghai.
你到上海以后给我发张明信片。
I can't type this letter.
我打不了这封信。