line drawing
线图
例句与用法:
A line drawn on a weather map or chart linking all points of equal or constant temperature.
恒温线; 等温线气象地图或图表上所画的一条连结同温或恒温各点的线
A pair of horizontal parallel lines drawn across a shield.
盾形纹章上的横条纹画在盾形纹章上的两条水平的平行线
ph.
线条画(如钢笔, 针笔画等)