RNA interference gives researchers a new tool for understanding how living things grow--how a plant assumes a particular shape, for example, or how a baby's hand forms during gestation.
核糖核酸的干扰作用为研究人员搞清生命生长提供了一个新工具——比如说，植物是如何展现其独特外形的，婴儿的小手在母体里是如何形成的，等等。
The structure of this martial art is strict and neat, with clear attack and defence consciousness, various hand forms, agile footwork, neat delicate strength.
其拳法结构严谨清晰、攻防意识鲜明、手法多变、步法走闪灵活、劲力刚脆精巧。
The structure of this martial art is strict and neat, with clear attack and defence consciousness, various hand forms, agile footwork, neat delicate strength.
其拳法结构严谨清晰、攻防意识鲜明、手法多变、步法走闪灵活、劲力刚脆精巧。
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