Despite anything the science of medicine may have achieved, the immune system is our main defence against disease.

不管医疗科学已取得了什么样的进步，免疫系统仍是我们抵抗疾病的主要防御手段。

《柯林斯英汉双解大词典》

One of our main tasks now is to mechanize agriculture.

我们现在的主要任务之一是实现农业机械化。

youdao

I had several children and books were our main source of entertainment.

我有几个孩子，书是我们的主要娱乐来源。

youdao

Our main priority right now is to work with the local authorities in Wajid to secure the unconditional release of the staff,".

VOA: standard.2009.03.16

So our main goal, at least my own passion is artificial intelligence.

我们的主要目标，至少我自己最热衷的，是人工智能。

什么是认知科学？ - SpeakingMax英语口语达人

Phoenix Arizona police chief, Jack Harris. "It takes officers away from doing what our main core mission of local law enforcement is."

VOA: standard.2010.05.08

Our main courses were outstanding, too, including Alice's veal sweetbreads with girolles and Bruno's similarly garnished veal chop.

NPR: Excerpt: 'Hungry for Paris'

This week, some Post staffers responded to outside critics via our main Twitter account.

FORBES: WaPo's Twitter-Based Scuffle with GLAAD: When Social Media Engagement Goes Wrong

We probably would have gotten a better ROI just marketing more to our main audience.

FORBES: Marketing Mojo: Making $8K Look Like $120K