He dreamed of exploring distant galaxies.
Meaning: The child imagined traveling to faraway galaxies to learn more about them.
Choice of Words: Dreamed means to have thoughts or images in your mind while sleeping. Exploring means to travel around an area in order to learn more about it. Distant means far away. Galaxies are large groups of stars. This sentence shows the child is imagining traveling to faraway galaxies to learn more about them.
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Related Expressions