n.刀片,剑,(壳、草等的)叶片,桨叶,浮华少年
A sharp blade is likely to nick the skin and draw blood.
锋利的刀刃可能会划伤皮肤,导致出血。
The soil sticks to the blade and blocks the plough.
土粘在犁铧上,卡住了犁。
A blade guard is fitted to protect the operator.
为保证操作人员的人身安全安装了桨叶保护罩。