Betti number
[计] 贝蒂数
🧩 词语组成解析
[计] 贝蒂
🗣️ 情景例句
What guarantee do I have that it won't break down easily?
有什么保障它不会轻易出故障？
At least everyone's all right.
至少大家都没事。
He made his way through the forest.
他设法穿过了森林。