What does it mean to collect Artemisia argyi to stop mourning for Artemisia argyi?

A fishing boat with two sons and one leaf collects Artemisia as a mourning. Artemisia on board refers to Artemisia, that is, bamboo used on board.

The pole is a long bamboo pole or stick, which is the simplest propulsion tool. In order to prevent the rod head from being worn or broken, modern people often install iron hoops, iron tips and iron hooks at the lower end of the rod. The pole is simple to make and convenient to use, and it is most suitable for ships sailing in shallow rivers and offshore waters. Generally, poles are used to support underwater or shore objects. According to the principle of force action and reaction, the ship can move in the opposite direction of force.