Nilmanifold
[数]幂零流形
🗣️ 情景例句
Butter, nice and cold and hard.
牛油 新鲜又冷又硬。
Things unreasonable are never durable.
不合理的事不会持久。
Recently the New York Animal Medical Center made a study of 132 cats over a period of five months.
最近，纽约动物医疗中心对132只猫进行了为期5个月的综合研究。