Cathodogram
电子衍射示波图, 阴极射线示波图
🗣️ 情景例句
Oh, let me think for a minute.
哦，让我想一下。
There are spots in (or on) the sum.
人孰无过。
She was taking the things out of the basket when she dropped a bag of sweets.
她把东西从篮子里拿出来，这时，一袋糖从她手里掉地了。