Nilmanifold
[数]幂零流形
🗣️ 情景例句
Well, that'll be eighteen dollars and seventy cents.
嗯 ，十八美元七毛。
He's a doctor.
他是医生。
This was worse than a terrible secret'; this was a read skeleton! But George was unsympathetic.
这是比“骇人听闻的秘密”更加惊人的东西，这是一具真正的骷髅啊！但乔治却无动于衷。