Nigrometer
黑度计
🗣️ 情景例句
What room are you in, sir?
先生，您住几号房？
Wouldn't you like some coffee?
你想要一些咖啡吗？
Just a minute, please. I'm sorry, he's not here right now. Can I ask who's calling?
请稍等。对不起，他现在不在这儿。请问你是哪位？