The origin of the custom is obscure.

该习俗的起源鲜为人知。

《柯林斯英汉双解大词典》

They talked about the competing theories of the origin of life.

他们谈论那些相互矛盾的生命起源理论。

《柯林斯英汉双解大词典》

Delaney's wife is the origin of his idea.

德莱尼的妻子是他灵感的来源。

youdao

Darwin had been working on his theory for over twenty years when he published " On the Origin of Species."

VOA: special.2009.12.01

It has to have an origin of replication, which we talked about last time, which is compatible with the cells.

所以质粒必须带有复制起点,我们上次讲过,该起点要与受体细胞匹配

耶鲁公开课 - 生物医学工程探索课程节选

Genesis is concerned to account for the origin of things and wrestles with the existence of evil, the existence of idolatry and suffering in a world that's created by a good god.

创世纪》被认为解释了万物的来源,试图解决罪恶的存在，盲目崇拜的存在以及这个受苦的世界,这是一个善良的神创造的。

耶鲁公开课 - 旧约导论课程节选

The origin of Mr. Akin's thoughts about what he called "legitimate rape" is unclear.

WSJ: Under Fire, Todd Akin Vows to Stay in Senate Race

Changing the bounds origin of the superview does not change the position of the view.

ENGADGET: Apple seeds iOS 6 beta 4 to developers: here's the changelog

That means the retailers themselves don't always know the origin of clothes when they're made overseas.

NPR: Shoppers Face Hurdles In Finding Ethical Clothing