- origin directive
- 原: primary; original; former
- 点: drop
- 指引: point; guide; show
- 原点: base point; initial point; ip; origin of body axes; original point; point of origin; punch mark; root point; the beginning; zero
- 指引: point (the way); guide; show 指引我们前进 guide us forward; 指引信号 index signal; 指引字 pointer
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