- 新: new; fresh; novel; up-to-dat ...
- 刀锋: blade point; tool point; cut ...
- 边缘: border; edge; fringe; margin ...
- 刀锋边缘: edguy
- 刀锋: blade point; tool point; cutter point; the point [edge] of a knife◇刀锋检验 knife-edge test; 刀锋恐怖 aichmophobia
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