Vocabulary in Para.1 ● Shading-the use of color to give an impression of light and shade(绘画)明暗法；（地图）颜色的浓淡 Trees are painted with blocks of flat color or shading. Squiggle---n./v.a line drawn or written in a careless way with twists and curls in it弯弯曲曲的线条；潦草的笔迹 What do these squiggles on the map mean? He squiggled with a piece of chalk on the suitcase. ·Squiggly a. He drew three squiggly lines.Vocabulary in Para. 1 • Shading—the use of color to give an impression of light and shade(绘画）明暗法；（地图）颜色的浓淡 Trees are painted with blocks of flat color or shading. • Squiggle---n./v. a line drawn or written in a careless way with twists and curls in it 弯弯曲曲的线条；潦草的笔迹 What do these squiggles on the map mean? He squiggled with a piece of chalk on the suitcase. • Squiggly a. He drew three squiggly lines