The clouds drift slowly across the sky.
Meaning: This means that the clouds are moving slowly and smoothly in the air above the Earth and below space.
Choice of Words: Drift is a verb that means to move slowly and smoothly in the air or water. Slowly means at a low speed. Sky is the area above the Earth and below space. When you put them together, "The clouds drift slowly across the sky" means that the clouds are moving slowly and smoothly in the air above the Earth and below space.
Alternative Expressions
Related Expressions