Scanning electron microscope(sem)
[化] 扫描电子显微镜
🗣️ 情景例句
How did the test turn out?
考试结果怎样?
Kill two birds with one stone.
一举两得。
By the way, I came into this classroom last Saturday morning, and it was not as clean as usual.
顺便提一句,上星期六上午我来到这个教室时
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