Simonered line是红线的意思。
例句：
he artist will circumscribe the painting with just one red line这位艺谈碰告术吵兆家将会画一条简单的红线，把这幅画含明框起来。
red line造句：
1, rootpaths are shown on the map as dotted red lines.
2, she ruled two red lines under the title.
3, The red lines on the map represent railways.
4, The red line on the thermometer on the wall of Caxton House crept up with agonizing slowness.
5, By 1965 things had eased, but my detective inspector still ailed against my three-quarter length corduroy car-coat with its red lining.
