Earlier in the week, the Afghan government announced it plans to form a major anti-corruption unit for investigating graft among senior officials.

VOA: standard.2009.11.18

We can really divide it into two major parts. The first 12 chapters form a unit that conveys the invasion and conquest.

我们可以将它分为两部分，前十二章,形成了一个集体，表现了侵略和占领。

耶鲁公开课 - 旧约导论课程节选

Estrogen can combine with this receptor to form a new sort of unit which interacts with DNA.

雌激素能够与受体相结合,形成一个新结构单位与DNA相互作用

耶鲁公开课 - 生物医学工程探索课程节选