... reflex angle n. 优角 rectilinear adj 直线的；由直线组成的；循直线进行的 isosceles triangle n. 等腰三角形 ...
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简单的图形可能由直线组成，但是与现实的画家一样，也可以绘制曲线和弧线。
Simple drawings might be straight lines, but you are free (just as a real artist is) to draw curves and arcs.
包缝机的线迹由直线线迹和锁边线迹组成并且缝纫时边剪边缝。
The overlock machine combines straight and overcasting stitches and outs and sews the fabric while stitching the seams.
这个水钟由四个青铜罐组成，这些同样大小的青铜罐垂直排列在一条直线上。
The clock is made up of four bronze pots, these bronze pots, identical in size, are arranged vertically.
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