单词	extremal curve
释义	extremal curve [计] 极值曲线
随便看	feather-cut feather cut feather cutter featherdom featherdown feather dress feather dressing feather drying contrifuge feather drying plant feather duster feather dusters feather-duster worm feather duster worm feather eating feathered feathered assets feathered bristle feathered friend feathered friends feather edge feather-edge featheredge featheredge board featheredge brick feather-edge brick 摧坚陷阵摧心剖肝摧折豪强摧朽拉枯摧枯折腐摧枯拉朽摧枯拉腐摧枯振朽摧眉折腰摧身碎首ひつぜんてきひつぜんてき【必然的】ひつだんひつだん【筆談】ひつどくひつどく【必読】ひつびひつび【必備】ひつぼくひつぼく【筆墨】