2, picnic: refers to cooking with friends in the wild. Generally refers to a leisure and entertainment activity. There are conditions in the wild that are not available at home: all kinds of edible wild plants and fungi, live fish and shrimp, and even fresh delicacies and game.
3. Debate: Also called debate, also called debate. Formally, it is a contest in which two participants debate a certain issue. In fact, it is a contest of related knowledge, thinking reflection ability, language expression ability and comprehensive ability around the debate.