Cathodogram
电子衍射示波图, 阴极射线示波图
🗣️ 情景例句
I've been working like a madman all day.
我今天一整天都像个疯子一样工作。
He that never climbed never fell.
不向上爬的也不会下跌。
We've already had a big demand for this product.
这种产品我们已有很大的需要求量。