a.

1. 保护的，防护的[B]
2. 保护贸易的
3. （对人）关切保护的[（+towards）]
   A mother naturally feels protective towards her children.

   母亲对自己的孩子天生怀有关切保护之心。

adj.

1. serving, intended, or wishing to protect.
2. Economics  relating to protectionism.

n.