Odu
[医][=optical density unit]光密度单位
🗣️ 情景例句
because he didn't want the responsibility of holding them.
因为他不想承担保管它们的责任。
He spends a lot of time reading books on ecology.
他花了大量的时间阅读生态学方面的书籍。
I gave him a meal.He ate the food and drank the beer.
我给了他一顿饭。他把食物吃完，又喝了酒。