She swam for an hour.

Meaning: This sentence describes how the girl moved through the water using her arms and legs for a period of 60 minutes.

Choice of Words: Swam means to move through water using your arms and legs. For means during a period of time. Hour is a period of 60 minutes. When you put them together, "She swam for an hour" means that she moved through the water using her arms and legs for a period of 60 minutes.

Alternative Expressions

Related Expressions

• She spoke with the man for an hour.
• He sat still for an hour.
• The girl jumped rope for an hour, getting a good workout.
• Days danced by, anticipation grew with each hour.
• I eat food every hour.
• He swims for an hour each time.
• He let the dough rise in a warm place for an hour.
• Hope whispered in darkest hour.
• Satellite orbited Earth every hour.
• Bioluminescent ballet graced the twilight hour.