Those on board were believed to be mainly from Iraq and Iran.

船上的人被确认主要来自伊拉克和伊朗。

youdao

The tourist season in London used to be mainly in the summer months.

伦敦的旅游季节以前主要是夏季的几个月里。

youdao

The contraction from last year's exceptional performance is anticipated to be mainly import-driven, as demand by several major importing countries is expected to weaken, according to the report.

据该报告预计，由于几个主要进口国的需求将会减弱，因此导致在去年超常增长水平上出现的缩减主要受进口的驱动。

youdao

"The legal issues that we expect to be mainly dealing with are expected to cover divorce, alimony,social welfare, child custody,inheritance and compensation, or property recovery so they either have the means to put a roof over their head or go back to their former homes,"

VOA: standard.2009.10.04

It probably is at least in part, but mainly it is probably intended to be fiction or fictionalized biography.

最少一部分是，可是结果大相径庭,大篇都是虚构或文学小说化了的自传。

耶鲁公开课 - 1945年后的美国小说课程节选

But, yeah, you have to be good at math. But mainly,

但是，是，数学必须好。但是主要是，

要成为建筑家 - SpeakingMax英语口语达人

So my writing here tends to be mainly an opportunistic, in response to current events.

FORBES: 2012 Roundup: From GitHub to New Labor

The Rakhine Buddhists and Muslims, believed to be mainly Rohingya, blame each other for the violence.

BBC: Burma acknowledges mass burnings in Rakhine unrest

The crowd, craning to catch a glimpse of Hugh Jackman, seemed to be mainly teen-agers.

NEWYORKER: Sheriff Joe