grab onto短语³⁷⁴²¹ 基本例句 🌏紧紧抓住…不放 THE genetic equivalent of a tailor who uses molecular“ fingers” to grab onto DNA, before snipping it apart and stitching in a new sequence could lead to safer gene therapies. 遗传就像一位“裁缝”，用像“手指”一样的分子先抓住 DNA，把它剪开后再缝合成一个新 DNA链。 这有可能是较为安全的基因疗法。 yeeyan