Word · Frequency #2519
dnas
脱氧核糖核酸
dnas is the plural of dna.
核心释义
a long double-helix molecule in cells that carries genetic information
- 1.
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.
- 2.
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
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
用法In use
DNA determines many physical features, such as eye color.
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。
A simple test can extract DNA from a small hair sample.
用法提示：句中 DNA 是名词，作 extract 的宾语，指样本中的遗传物质。
There is a lot of information in your DNA about your family history.
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。
DNA is the king of molecules
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。
the DNA of sth
相关词与表达Connections
搭配Collocations
- DNA test
- 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 evidence
- 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 sample
- 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 sequence
- 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 fingerprinting
学习提示Learner notes
用法优先级Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.