Warning: file_put_contents(/www/wwwroot/ppbbu/bieo.cn/cache/80737c35ea39575e97ec047bb4c41e4a.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/bieo.cn/index.php on line 58 acnode英英字典_acnode剑桥英语解释_acnode柯林斯英文解释_衣物護欧路词典
1. N a point whose coordinates satisfy the equation of a curve although it does not lie on the curve; an isolated point. The origin is an acnode of the curve y² + x² = x³ 孤點