be in one's DNA
此结构中 DNA 指某人与生俱来、难以改变的本质或特质。
Taking risks is in his DNA.
敢于冒险是他的天性。
脱氧核糖核酸
dnas — plural of dna
本质；基本特质；一个人、组织或其他事物的基本性质或价值观,尤其是被认为是与生俱来的或不可改变的。；脱氧核糖核酸,细胞核内由核苷酸形成的双螺旋长链聚合物,携带遗传信息
a long double-helix molecule in cells that carries genetic information
一个人、组织或其他事物的基本性质或价值观,尤其是被认为是与生俱来的或不可改变的。
The fundamental nature or values of a person, or an organization or other thing, especially when considered as innate or immutable.
脱氧核糖核酸,细胞核内由核苷酸形成的双螺旋长链聚合物,携带遗传信息
(biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information
DNA determines many physical features, such as eye color.
脱氧核糖核酸决定了许多身体特征，比如眼睛颜色。
用法提示：DNA 在此句中是名词，作主语，指决定遗传特征的脱氧核糖核酸。
AI contextual example
A simple test can extract DNA from a small hair sample.
一项简单的测试就能从一小份头发样本中提取脱氧核糖核酸。
用法提示：句中 DNA 是名词，作 extract 的宾语，指样本中的遗传物质。
AI contextual example
There is a lot of information in your DNA about your family history.
你的脱氧核糖核酸中包含着大量关于家族历史的信息。
用法提示：DNA 在这里是名词，用在介词 in 后面，指携带遗传信息的物质。
AI contextual example
此结构中 DNA 指某人与生俱来、难以改变的本质或特质。
Taking risks is in his DNA.
敢于冒险是他的天性。
the DNA of 后接组织、事物或群体,表示其最根本、不可分割的特质。
Innovation is the DNA of this company.
创新是这家公司的核心特质。
此义为生物化学上的脱氧核糖核酸,常见说法还有 DNA test(DNA检测)和 DNA evidence(DNA证据)。
The scientists extracted DNA from the ancient bones.
科学家们从这些古代骨骼中提取了DNA。
grammar · medium
易错句子The police found a DNA on the knife.
正确表达The police found DNA on the knife.
DNA 表示“脱氧核糖核酸”时是不可数名词，不能用不定冠词 a/an 逐个计数，表示“发现了 DNA（这种物质）”要用零冠词。汉语没有冠词，容易把它当成一个个可数的实物。
grammar · medium
易错句子The DNA carries the genetic information of every living thing.
正确表达DNA carries the genetic information of every living thing.
泛指某种物质或概念时英语用零冠词，加 the 会变成特指某一份特定的 DNA。汉语习惯用“这个/那种”来泛指，所以常被误加 the。
grammar · medium
易错句子DNA contain the instructions for building proteins.
正确表达DNA contains the instructions for building proteins.
DNA 在此是不可数名词，作主语时谓语要用第三人称单数形式；汉语动词没有词形变化，学习者常漏掉 -s，须改为 contains 才能与单数主语一致。
DNA检测；亲子鉴定
The police ordered a DNA test to confirm the suspect's identity.
警方下令进行DNA检测以确认嫌疑人的身份。
DNA证据
DNA evidence proved crucial in the murder trial.
DNA证据在谋杀案审判中起到了关键作用。
DNA样本
The lab analyzed the DNA sample from the crime scene.
实验室分析了来自犯罪现场的DNA样本。
DNA序列
Scientists have mapped the DNA sequence of this species.
科学家已经绘制了该物种的DNA序列。
DNA指纹分析
DNA fingerprinting is widely used in forensic investigations.
DNA指纹分析广泛用于法医调查。
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DNA数据库
The government maintains a national DNA database of convicted criminals.
政府维护着一个全国性的被定罪罪犯DNA数据库。