音标：['prәutail] ；

n. [化]玄质,始质(假想中构成元素的原质)

n. The hypothetical homogeneous cosmic material of the
original universe, supposed to have been differentiated into what are
recognized as distinct chemical elements.

Protamine Sulfate Injection

Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d

发表于:2019-01-19 / 阅读(66) / 评论(0)

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今天我们要学的词是lifestyle。 Lifestyle, 是生活方式的意思。A simple lifestyle, 是简单的生活方式；A lavish lifestyle, 是奢华的生活方式。你知道长寿的秘诀吗？Researchers say a healthy lifestyle is the secre

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The Moneyless Man: Broke by Choice and Loving It

The Moneyless Man: Broke by Choice and Loving It Mark Boyle is a hard guy to get in touch with. Living out of a yellowed trailer permanently cinder-blocked on a patch of farmland somewhere between Bath and Bristol, the thirty-one-year-old Brit rarely

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Finding a Healthier Lifestyle - Committing to Change

Finding a Healthier Lifestyle - Committing to Change Everyone wants to live a healthier lifestyle and everyone wants to look better in their swimsuit. However, many people don't know where to begin or what questions to ask. Six months ago I was in th

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学英语单词

assumption-based truth maintenance system

ballstock

BBBC

bistable trigger ciecuit

bring sth to the boil