that part of his chromosome 7 was clearly broken off.其七号染色体的某部分已明显受损

part of 一部分

A part of this urgent task was allotted to us.

这项紧急任务的一部分分给了我们。

My inn had once been a part of an ancient ecclesiastical house.

我的客栈曾经是一个古老教会的房子的一部分。

in order to be able to communicate the tiny movements控制肌肉做些微小的移动

in order to为了

He lit a cigarette in order to calm his mind.

他点燃一支香烟，镇定一下情绪。

We started early in order to arrive before dark.

为了在天黑前到达，我们很早就动身了。

be able to会； 能

At this rate we won't be able to afford a holiday.

照这样下去，我们不会有时间／钱去度假的。

I may be able to help you in some way.

我也许可以从某个方面去帮助你。