Picturectron
一种电子束管
🗣️ 情景例句
I see. May I leave her a message then?
噢，那我可以留话给她吗？
Know something like the palm of one's hand.
熟知其事，了如指掌。
Because of this, we kept looking back, wondering if we were leaving a trail of oil and petrol behind us.
因此，我们不时地掉过头，怀疑车后是否留下了机油和汽油的痕迹。