Rainwater fills buckets.
Meaning: This means that the containers used to hold or carry liquids are being supplied with water that has fallen from the sky as rain. It's like saying, The water from the rain is being collected in the buckets.
Choice of Words: Rainwater is water that has fallen from the sky as rain. Fills is a verb meaning to make full or supply. Buckets are containers used to hold or carry liquids.
Alternative Expressions
Related Expressions