This behavioral asymmetry is thought to stem from the same preference for head turning during the final weeks of gestation and during infancy.

这种方向上的不对称性似乎是源于妊娠后期及婴儿期转头的偏好。

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And, sure enough, they found these characteristics in abundance and noticed that all the strains seemed to stem from wild ancestors that lived 500 years ago.

从这一点出发，他们果真发现了许多这类特征，并且还发现似乎所有的菌种都源自于500年前的野生菌种。

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Researchers say the speech impediment appears to stem from a defectin the gene that regulates the way brain cells break down and recycle waste products.

VOA: standard.2010.02.11

All the goods of civilization, Hobbes tells us, stem from our ability to control pride.

霍布斯告诉我们说，文明之所以文明，源自于我们对追求荣誉之心的克制。

耶鲁公开课 - 政治哲学导论课程节选

stem cell researchers have found a way to get perfectly usable stem cells from fully grown human beings.

干细胞研究者已经找到了一种方法，
可以从成年人身上获取可用的干细胞。

干细胞和伦理 - SpeakingMax英语口语达人

Tuesday's rise appeared to stem from Ambac's comments that it is evaluating its strategic alternatives with a number of potential parties.

FORBES: Magazine Article

Seismologists and geophysicists have not been as sure, saying the seismic activity they measured appeared to stem from the mine's collapse.

CNN: Camera lowered into mine cavity shows 'survivable space'

If Europe is to enjoy faster economic growth, it is as likely to stem from old virtues as from a new economy.

ECONOMIST: Wo ist Goldilocks?