single dege blade

例句：

1. 1. The chef used a single-edged blade to cut the steak.
   厨师用单刃刀片切牛排。
2. 2. The carpenter needed a single-edged blade for the job.
   木匠需要一把单刃刀片来完成这项工作。
3. 3. The knife was sharp enough to use as a single-edged blade.
   这把刀足够锋利，可以用作单刃刀片。