曲線的英文：
[Mathematics] a curve; a curve (or curved) line
n. 数学
mathematical manipulation
数学变换
He is a mathematics major.
他是主修数学的学生。
Mathematics is my special area.
数学是我的专业。
n. 曲线，弧线，曲面，弯曲；曲线球
v.（使）沿曲线运动
Joining Convex (Outer) Curves to Concave (Inner) Curves
缝合凸出的弯曲部位和凹曲部位
The road curved sharply to the right.
道路有个急转弯拐向右边。
To bend or curve downward;stoop.
弯向下弯曲；俯曲
弯曲的
Joining Convex (Outer) Curves to Concave (Inner) Curves
缝合凸出的弯曲部位和凹曲部位
The road curved sharply to the right.
道路有个急转弯拐向右边。
To bend or curve downward;stoop.
弯向下弯曲；俯曲