Density operator
[化] 密度算符
🧩 词语组成解析
🗣️ 情景例句
It's mostly young people who take part.
参加活动的绝大多数是年青人。
In my opinion,the house isn't worth the price they're asking.
按照我的意见,房子不值他们正在问的价格。
If you put on C.O.D., we'll have to go elsewhere.
如果你要C.O.D.的话，我们只有找别家公司。