For example, in a gene therapy trial for X-SCID - or "bubble-boy" disease - inserting a gene in the wrong place triggered cancer in some of the recipients.
比如，在X光免疫缺陷和“泡泡男孩”疾病的基因疗法试验中，就因基因植入错误而引发了试验者的癌症。
Though the pinky's owner has been dubbed X-woman, scientists think the pinky belonged to a child between 5 and 7 years old, but experts can't tell if it was a boy or a girl.
虽然这个小指的主人被命名为“X女性”，科学家认为这个小指是属于一个年龄在5- 7岁之间的儿童，但专家不能断定是男孩还是女孩。
Though the pinky's owner has been dubbed X-woman, scientists think the pinky belonged to a child between 5 and 7 years old, but experts can't tell if it was a boy or a girl.
虽然这个小指的主人被命名为“X女性”，科学家认为这个小指是属于一个年龄在5- 7岁之间的儿童，但专家不能断定是男孩还是女孩。
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