战士 (zhàn shì): เครื่องสู้

After the flood, the soldiers immediately joined the rescue efforts to help the affected people rebuild their homes.

He is a brave soldier who was wounded several times on the battlefield but never retreated.

In the fight against the epidemic, medical workers are the soldiers charging at the very front line.

These environmental warriors clean up river trash every day, protecting their hometown's green mountains and clear waters with practical action.