point n.观点；看法；要点；重点；特点；点；地点；小数点；尖端；岬角；海角；意义；目标；分数；(罗盘上的)方位点；(温度的)点；插座；(字体)磅值v.指；指向；朝向；瞄准；灰泥或水泥勾（某物）的砖缝
双语例句
The duplicates are attached to each other at a constricted region called the centromere. 对偶体彼此相连于称为着丝粒的缩小的区域。
The centromere contains the kinetochore, a structure involved in the attachment of the chromosomes to the spindle during nuclear division. 着丝点上包含了着丝粒，着丝粒确保细胞在分裂中染色体与纺锤体的整合，发生有序的染色体分离。
