Unobservability
不可观察性
🗣️ 情景例句
Hello, sir.
您好，先生。
To mend a tear
补破洞
Cooked in wine, snails are a great luxury in various parts of the world.
蜗牛加酒烧煮后，便成了世界上许多地方的一道珍奇的名菜。