Stannometer
(金属)镀锡层厚度磁性测量计
🗣️ 情景例句
I'm going to party after exams.
考试结束后，我要去聚会。
In doing we learn.
经一事，长一智。
Well, I can't leave before nine. I have a lot of work to do.
嗯，我9：00以前离不开。我有很多作业要做。