He's travelled widely, chiefly in Africa and Asia.

他游历了许多地方，主要在非洲和亚洲。

《牛津词典》

He joined the consular service in China, chiefly because this was one of the few job vacancies.

他参加了驻华领事馆的工作，主要是因为这是为数不多的几个空缺职位之一。

《柯林斯英汉双解大词典》

The materials chiefly used in modern papermaking are cotton or linen rags and wood pulp.

现代造纸中主要使用的材料是棉布或亚麻布和木浆。

youdao

Chiefly what we hear about is in the area of the Nile Delta, right there on the Mediterranean Sea.

绝大部分都集中在,尼罗河三角洲地区,就在地中海入海口

耶鲁公开课 - 古希腊历史简介课程节选

In this case defined chiefly by their intelligence, but other things too. Well, anyway in this case, in Greek political thinking the aristocracy of birth is the default position.

这主要取决于他们的才能,不过也包含其他方面,不管怎样,那个时候在希腊人的政治思维中,贵族统治就是初始的状态

耶鲁公开课 - 古希腊历史简介课程节选

Bilawal Bhutto Zardari has barely lived in Pakistan. and is present in this campaign chiefly in television ads.

WSJ: Political Dynasties Shape Course of Pakistan Election

The biggest cause of the 0.1% contraction in the U.S. economy was a sharp decline in government spending, chiefly in the defense space.

FORBES: With Apple Absent, Market Starts 2013 With A Big January

In half of the trusts running acute hospitals, there were serious flaws in the way they counted costs, chiefly in recording the amount of activity.

ECONOMIST: A new payment system in the NHS: innovative, but risky