Meaning: Water vapor in the air moves slowly across the sky.
Choice of Words: Clouds: visible masses of water vapor in the atmosphere. Drift: move slowly and smoothly in a particular direction. Across: from one side to the other.
Alternative Expressions
The clouds are floating in the sky.
Meaning: This means that the clouds are moving or resting in the sky without sinking.
Choice of Words:Clouds are the white or gray things you see in the sky. Floating means to move or rest on the surface of a liquid or in the air without sinking. Sky is the big blue thing you see above you.
The clouds are moving through the sky.
Meaning: This means that the clouds are changing position or location from one side of the sky to the other.
Choice of Words:Clouds are the white or gray things you see in the sky. Moving means to change position or location. Through means from one side to the other. Sky is the big blue thing you see above you.