Size differences between twins can sometimes be caused by a condition called Twin to Twin transfusion syndrome.
“双胞胎输血综合症”有时候会引起双胞胎之间的大小差异。
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Eight-year-old Helen, her nine-year-old twin sisters, Anabel and Eliza, and her two-year-old brother, Angus, had gotten nearly life-size stuffed animals for Christmas.