Scotometry
[医] 暗点测量法
🗣️ 情景例句
Let's congratulate ourselves that this transaction has been made.
让我们祝贺这次交易圆满成功。
It is a small flock that has not a black sheep.
家家难免有败类。
Thanks very much. I must go!
谢谢，我必须走了。