Final answer:
The meaning of the allusion in the sentence is harsh or poverty-stricken. Aaron is comparing his childhood to the difficult and impoverished conditions depicted in Charles Dickens' novels.
Step-by-step explanation:
The meaning of the allusion in the sentence is harsh or poverty-stricken. When Aaron describes his childhood as Dickensian, he is referring to the works of Charles Dickens, who often portrayed characters living in difficult or impoverished conditions. By using this allusion, Aaron is suggesting that his own childhood was similar to the harsh and challenging world depicted in Dickens' novels.
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