Word Network: 固定的

Not likely to change or fail; firmly established. Often used to describe trends in Task 1 or social systems.

Regular; routine; conventional.

Staying the same; not changing or moving. Often used to describe schedules, costs, or scientific variables.

To decide definitely or to find out exactly. It involves making something certain or confirming a fact.

Lasting for a long time; durable or persistent. Often used to describe peace, relationships, or effects.