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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Letting the cat out of the bag is supposed to stem from a trick played in old markets where buyers were duped when they thought they were buying a Suckling pig.

一般认为，“把猫从袋子里放出来”的说法源自古代集市上的一个把戏：有时，商贩会欺骗买家，在他们购买乳猪的袋子里装一只猫。

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

干细胞研究人员已经找到了一种从成年人身上获得完全可用的干细胞的方法。

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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?