Unobservability
不可观察性
🗣️ 情景例句
Sir, Mr. Bennings is here to see you.
先生，本宁先生来这儿见你。
You can't miss it.
你不能错过它。
The turtle at last gives up by pulling his feet under his shell and the game is over.
海龟终于屈服了，将4条腿缩进壳内。