bifolium

n. 对折的书页

发音

US

词形变化

bifolia 复数 bifolia

释义与例句

n.
  1. 1.

    A quartic plane curve whose equation in Cartesian coordinates is (x²+y²)²=ax²ʸ.

    数学

词源

From bi- + folium.

来源：wiktionary