Microphotometry
显微光度术
🗣️ 情景例句
In about half an hour. Why?
大约半个小时。为什么问这个？
The police crept up from behind and took the gangster by surprise.
警察悄悄从背后绕过去，出其不意地将歹徒逮捕。
Yes, that's right. Good!
对，正确，很好！