Nilmanifold
[数]幂零流形
🗣️ 情景例句
That sounds reasonable.
好像有道理。
An evil lesson is soon learned.
学坏容易。
A match was held at Stilton, where both men fought for an hour.
于是两人在斯蒂尔顿设下赛场，厮打了一个小时。