1, the original meaning of the word shield refers to a defensive weapon used in ancient wars, also known as shield. Its shape is usually a round plate, which is used to protect the body and head from enemy attacks. In ancient wars, the shield was one of the necessary defensive equipment for soldiers, which could resist the enemy's sword, arrow and other attacks.
2, the word shield can also be extended to the meaning of backing, security, shelter and so on. In ancient society, the shield was not only a defensive weapon, but also a symbol and symbol, representing the honor and dignity of the army, family or country. Therefore, the word shield has also become an important part of the names and place names of many countries and regions.
In modern Chinese, the word shield is widely used. Besides being used in the military field, it can also be used to describe the shape or texture of some objects, such as round shields and wooden shields. In addition, the word shield can also be used to describe the power of support and help. For example, he is my shield and this team is my backing.
Contradictory knowledge
1, contradiction is a philosophical concept, which refers to the state of contradiction, conflict or mutual restriction between things. This concept first appeared in the thoughts of ancient Greek philosophers, such as Aristotle. In daily life, the word contradiction is often used to describe quarrels, disputes or contradictions between people.
2. It is a contradiction that two people hold different views on a certain issue and insist on each other's opinions. From the philosophical point of view, contradiction is universal, which reflects the contradictions and conflicts within things. This kind of contradiction and conflict is the driving force to promote the development of things, and it is also the key for human beings to understand things and think about problems.
In dialectics, contradiction is regarded as a positive factor, which can make things develop and progress continuously. However, in real life, contradictions may also bring some negative effects. When two people have conflicts, it may lead to quarrels, conflicts and even hatred. In addition, some social problems are also closely related to contradictions, such as class contradictions and ethnic contradictions.