智力 (zhì lì): intelligence

Although this child is young, his intelligence is outstanding; at five years old, he can already solve complex math problems.

Scientists are studying how to improve children's intellectual development through games.

As people age, their intelligence may decline somewhat, but their experience and wisdom become richer.

In the intelligence competition, he won the championship with his quick reactions and extensive knowledge.

Experts believe that a balanced diet and proper exercise are crucial for maintaining brain intelligence.