What does lifeline mean?

"Lifeline" is an English word, which means "lifeline" or "lifeline" and has different meanings in different contexts. The following are some common explanations and usages of "lifeline":

1. Definition of lifeline: In the conventional sense, lifeline refers to a striped road in the palm print of human hands, which is considered to be related to the life span and health status of individuals. However, in modern society, this word is more commonly used in metaphorical and symbolic sense.

2. Telephone crisis hotline: In the field of mental health, lifeline refers to the telephone crisis hotline service that provides emergency assistance and psychological support, aiming at helping people who are in emotional difficulties, suicidal tendencies or other emergencies. These hotlines are usually provided by professional psychological counselors or volunteers.

3. Living allowances and relief funds: In the field of economic and social policies, lifeline can also refer to living allowances and relief funds provided by the government or organizations to low-income people, including housing subsidies, food stamps and medical assistance. To ensure that their basic needs are met.

4. Key assistance measures: In the commercial and political fields, lifeline is sometimes used to refer to important assistance measures to maintain or support the normal operation of a certain industry, enterprise, region or country. For example, the oil supply line between oil-producing countries is called "oil lifeline".

5. Liferaft survival machine: Literally, lifeline also has extended meaning in navigation and water rescue, which refers to a rope or life-saving equipment used to save drowning people.

In addition, the word "lifeline" can also be used to describe any important support system or key resources, such as electricity, water and transportation network. In the technical field, lifeline can represent key data transmission lines or communication networks to ensure the transmission and connection of information.

In short, the word "lifeline" is a symbol of lifeline and rescue in different contexts, which provides people with hope, assistance and support, enabling them to overcome difficulties and tide over crises in life.