Nigrometer
黑度计
🗣️ 情景例句
... and if you ask what I care about, I'll tell you.
……假如你们问我关心什么， 我可以告诉你们。
To argue with the opponent about the principles
和反对者争论基本事项
These young people, who love the peace of mountains, always receive a warm welcome at St.Bernard's monastery.
这些热爱高山清静环境的年轻人每年都受到圣伯纳德道院的热烈欢迎。