| 释义 |
〔level〕Plane is principally a mathematical termand refers to a surface containing all the straight lines connecting any two points on it: Plane 主要是一个数学用语,指的是包含所有连接平面上任意两点的直线的平面: 〔totipalmate〕Having webbing that connects each of the four anterior toes, as in water birds such as pelicans and gannets.全蹼的:具有连接四个前脚趾的蹼的,如象塘鹅和鹈鹕这样的水鸟身上的 |