Density operator
[化] 密度算符
🧩 词语组成解析
🗣️ 情景例句
Once the film stops showing, they won't even remember your name.
一旦你的电影停播了，你也就会很快被人忘记。
Blood will have blood.
血债要用血来还。
Goats are also kept. Apart from their milk, the wool from their coats is used in expensive clothing.
除了获取羊奶之外，从羊皮上剪下的羊毛还用来制作昂贵的服装。