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Until recently, it was thought that such shells around planetary nebulae were a rare phenomenon.
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到目前为止,人们依然在思考行星式星云周围产生这种壳的罕见现象的原因。 |
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Until recently, many children were not allowed a free hand when it comes to handedness.
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很多小孩不被允许自由地使用左手或右手来学习,一直到最近才有好转。 |
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Until recently, morphine was used only in hospitals, and near the end.
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直到最近,日本人只有在医院及临终时才施打吗啡。 |
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Until recently, most astronomers believed that the universe had entered a very boring middle age.
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直到不久之前,大多数天文学家都还认为宇宙已经进入了一个非常枯燥无趣的中年时期。 |
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Until recently, most sleep research focused on REM sleep.
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直到最近,大多数对于睡眠的研究都关注于快速动眼睡眠[3]。 |
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Until recently, no one had tried to control for unobserved characteristics in measuring the effect of an elite education on earnings.
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意为:直到最近才有人试图核实这些被忽视的因素在衡量精英式教育对收入情况产生的影响。 |
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Until recently, scientists had focused on two explanations to solve this conundrum.
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直到最近,科学家已锁定两种解释来解开这个难题。 |
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Until recently, the advent of the application of lymphatic mapping technique in melanoma and breast cancer during surgery has made the use of the intra-operative gamma probe widespread.
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近来由于淋巴侦检技术应用于外科治疗黑色素瘤及乳癌的进展,大幅扩展了手术用加马侦检器的应用。 |
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Until recently, the emergence of whales was one of the most intractable mysteries facing evolutionary biologists.
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直到最近,鲸豚类的起源仍是个令演化生物学家棘手的问题。 |
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Until recently, this enjoyed bipartisan support in Washington.
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直到最近,该计划还在华盛顿得到两党的一致支持。 |
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Until recently, this remote tribe had little contact with the outside world.
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直到现今,这个边远的部落跟外面的世界几乎没有接触。 |