Confession time: If there's such a thing as a language-learning gene, I lack it.
告白时间：如果世上存在语言学习的基因的话，我宣布我完全没有。
It is the first time that gene therapy has been used successfully to treat cancer.
这是基因疗法被成功应用到癌症治疗中的第一次。
The researchers say this is the first time a gene for seedlessness has been determined.
研究人员们说这还是首次确认无核水果的一种基因。
The researchers say this is the first time a gene for seedlessness has been determined.
研究人员们说这还是首次确认无核水果的一种基因。
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