电子束扫描

beam scanning的用法和样例：

例句

The flashlight's beam scanned every corner of the room.手电筒的光束扫遍屋内各个角落。

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At the mall, my wife and I picked up some hardware items, including a handsaw. We were heading back to the car when we passed a steakhouse. Let's try it. my wife suggested. Although I felt a little foolish carrying the saw, I followed her inside. Sca

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