People infected with this form may develop the disease over many years without any major symptoms.

VOA: special.2010.01.04

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

This means the cells that are red here have all the information to form the major cell types of the inner ear.

这就是说，用红色标示的细胞具有构成,内耳主体细胞类型的全部信息。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

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