knife-blade cover

例句：

1. 1. The chef carefully placed the knife on the cutting board to protect it from accidental cuts.
   厨师小心翼翼地将刀放在切板上，以防意外割伤。
2. 2.The chef used a knife-blade cover to ensure that the kitchen was safe for everyone.
   厨师使用刀片盖来确保厨房对每个人都是安全的。
3. 3. The chef carefully placed the knife on the cutting board to protect it from accidental cuts.
   厨师小心翼翼地将刀放在切板上，以防意外割伤。