Tragically, their daughter Carol was born in 1920 with a genetic birth defect called phenylketonuria, which led to mental impairment.

不幸的是，1920年赛珍珠的女儿卡罗出生时患有一种叫做苯丙酮酸尿症的先天基因缺陷症，导致智力受损。

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Tragically, their daughter Carol was born in 1920 with a genetic birth defect called phenylketonuria, which led to mental impairment.

不幸的是，1920年赛珍珠的女儿卡罗出生时患有一种叫做苯丙酮酸尿症的先天基因缺陷症，导致智力受损。

youdao