notchyadj.有凹口的；有锯齿状的notchn.刻痕；等级；切口vt.赢得；刻凹痕；计分notching spade铲子,植树锹notched colter缺口圆犁刀notched noises切迹噪声notch ornament凹口线脚notchback type尾部阶梯式notched member带切口的构件notching joint凹槽节notch expansion标志扩展notched scraper齿形刮刀notch generator标志信号发生器