Betti number
[计] 贝蒂数
🧩 词语组成解析
[计] 贝蒂
🗣️ 情景例句
I'd just like to repeat, do not be late!
我只想重复一遍，别迟到！
The boy is shot.
那个男孩遭到了枪击。
Robert was delighted to see me and equally pleased with my little gift.
罗伯特见到我很高兴，对我的薄礼也感到满意。