Odu
[医][=optical density unit]光密度单位
🗣️ 情景例句
You will come up with the right answer.
你会想起正确的答案的。
Many a slip (many things fall) between the cup and the lip.
酒杯来到嘴唇边，得饮与否未可知；物未到手前，未能算己有；凡事难以十拿九稳。
Eh?
什么？