This is the 5489th most frequent Chinese word.
充足
Sufficient; adequate.
充足 is used as an adjective here, meaning 'sufficient' to describe the amount of electricity provided by the system.
我们的供电系统能为所有设备提供充足的电力。
Our power system can provide sufficient electricity for all equipment.
充足 functions as an adjective here, meaning 'adequate' to modify the noun phrase referring to the amount of food intake necessary for health.
确保饮食充足对维持健康非常重要。
Ensuring adequate food intake is very important for maintaining health.
充足 serves as an adjective in this sentence, meaning 'enough' to describe the amount of rest athletes require for optimal performance.