happening or existing for a period of time without interruption
She was in continuous employment until the age of sixty-five.
The rain has been continuous since this morning.
spreading in a line or over an area without any spaces
a continuous line of traffic
repeated many times
For four days the town suffered continuous attacks.
the continuous tenses
自从 1990 年以来，他差不多一直在法国居住和工作。
He has lived and worked in France almost continuously since 1990.
These adjectives are frequently used with the following nouns.
Continuous describes something that continues without stopping.
Continual usually describes an action that is repeated again and again.
The difference between these two words is now disappearing. In particular, continual can also mean the same as continuous and is used especially about undesirable things.
Life was a continual struggle for them.
However, continuous is much more frequent in this sense.