Closedness
[计]封闭，闭合
🗣️ 情景例句
He invests his money in the stock market, dreaming of huge profits.
他把钱投资在股市中， 梦想从中获暴利。
Who wrote that song?
那支歌曲谁写的？
No, it isn't.It's a ruler.
不，不是，这是一把尺子。