Densograph
黑度曲线
🗣️ 情景例句
Did you bring me what I ordered?
你拿来的是我所点的吗？
Ready money is a ready medicine.
现钱等于成药。
Yes, I think I have. Look at that book on the desk. Maybe it's yours.
是的，我想我看见了。请看桌子上的那本书。也许就是你的。