Tiny grains shift.
Meaning: This means that the small grains are moving from one place to another. It's like saying, The small particles are changing their position.
Choice of Words: Tiny is an adjective that means very small. Grains are small particles or granules. Shift is a verb that means to move from one place to another. When you put them together, "Tiny grains shift" is a statement describing the movement of small particles.
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Related Expressions