It has recently become recognized as a healthy alternative to sugar and artificial sugar substitutes.

它最近成为公认的健康替代糖和人造糖替代品。

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Possessing approximately 40% less food energy (calories), Xylitol is a low-calorie alternative to refined and artificial sugars.

对比起提炼的和人工合成的糖类，木糖醇是一种低卡路里的代替品，它减少食物中差不多40%的能量。

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This means that the cellulose works very well in contact with the blood and is a very interesting alternative for artificial blood vessels.

这就是说，纤维素与血液关系很融洽，是人造血管很好的替代品，这是很有趣的。

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The potential applications for medical science are impressive enough, but consider this additional benefit: since the droplets contain no genetic material, scientists can completely sidestep all the ethical red tape surrounding the alternative stem cell approach to artificial tissue.

ENGADGET: Oxford University researchers create new 3D printed 'soft material' that could replace human tissue

The article goes on like this speculating the ways in which an advanced artificial intelligence might lower cancer risks or even develop alternative forms of energy.

FORBES: When Tech Speculation Becomes Magical Thinking

Organisations including Ash Wales and the British Heart Foundation told AMs that they believed there was no justification for lifting the ban in Wales and that alternative means could be found of filming smoking scenes, including artificial cigarettes and computer generated imagery (CGI).

BBC: Casualty