And if you want to have the cross-platform capabilities but do not want to draw at a low level, there are some other convenience drawing libraries that sit on top of Cairo.

如果需要跨平台功能，但是不需要低层绘图控制，那么可以使用在cairo之上构建的一些绘图库。

youdao

Increase length, decrease cross-section, called drawing out the metal.

增加长度、减小横截面，称为延伸金属。

youdao

Corner Area: the edge line with the goal line cross, have a dot, radius is 1m, drawing a quarter of circle arc.

角球区：以边线和球门线交叉点为圆点，以1米为半径，向场内各画一段四分之一的圆弧，这个弧内地区叫角球区。

youdao

The 140-year record (1868 to 2008) of Thames water quality was assembled by drawing together and cross-calibrating at least six different data sets.

BBC: Thames archive reveals long nitrate rise

The equity has since pulled back below support at its 10-day and 20-day moving averages, drawing them into a bearish cross.

FORBES: Magazine Article

In injury time, Lampard did add the fifth, heading in after Drogba had nodded down Cole's high left-wing cross to give Chelsea the added bonus of drawing level on goal difference with Manchester United.

BBC: Portsmouth 0-5 Chelsea