Perfect number
[计] 完全数
🧩 词语组成解析
🗣️ 情景例句
Well... they want me to,
这……他们希望这样。
Learning makes a good man better and ill man worse.
知识能使好人更好，坏人更坏。
Above the surface of the water, the towers rise to a height of nearly 700 feet.
塔身高出水面将近700英尺。