To figure out why they could go forward but not backward, Dr. Thornton and his colleagues looked closely again at the old and new receptors.

为了找出蛋白功能不能逆转的原因，桑顿博士和同事们又仔细的对比了新老两种受体。

youdao

It has three leaflets that function like a one-way door, allowing blood to flow forward into the aorta, but not backward into the left ventricle.

它有三个瓣叶，功能象一个单向们，允许前向血流进入主动脉，但不能返流回左心室。

youdao

But I'm not asking you in any way, shape, or form to go backward.

但我不是让你以任何方式、任何形态或形式回到过去。

youdao

My testing shows that this signal is this is backward-looking and not very useful, but since a large number of people believe it, they act on it resulting in a self-fulfilling prophecy.

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He believed that the federal government was not just a passive repository of good practice, but an active promoter of constitutional rights against narrow and backward provincialism.

ECONOMIST: In Brennan��s wake

This lobbying group of course looked after the interests of corporate India, but often as not those were in concert with the interests of enterprise generally and at odds with some of the most backward laws that encrust the Indian marketplace.

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