Spectrodensitometry
分光密度测定法, 光谱密度法
🗣️ 情景例句
While sitting on the bus I often meet interesting people.
乘车时，我经常碰到一些有趣的人。
Yes, we should try to contact more.
是的，我们应该联系多点。
He turned on the light, but he couldn't see anyone. The thieves had already gone.
他开了灯，但不见一个人。小偷逃走了。