Betti number
[计] 贝蒂数
🧩 词语组成解析
[计] 贝蒂
🗣️ 情景例句
Come with me, Carl.
跟我来 ，Carl。
When a dog is drowning,every one offers him drink.
待到狗溺水，众人给水喝。
I have a cat. Its name is Mimi. It's a Chinese cat. Oh, where is it? Can you find it?
我有一只小猫，名字叫Mimi，是一只中国猫。噢，它在哪儿呢？你能找到吗？