The art form reached its height during the Renaissance, when micro-mosaics were created for St.Peter's Basilica in Vatican City because traditional altar paintings were decaying from humidity and other environmental factors.
VOA: standard.2010.07.30
It's totally synthetic, there's no micro-organism involved in making the DNA for you, You can do it very rapidly in a laboratory, and fairly inexpensively now.
完全是复制的过程,没有任何微生物参与制造DNA,你可以在实验室里迅速地进行,费用现在也相当便宜了
Taq stands for thermos aquaticus, it's a marine micro-organism that lives near these hydrothermal events in the bottom of the sea and they live under very high temperatures and pressures all the time.
aq是"水生栖热菌"的简称,那是一种生活在靠近深海热液活动区的,海底微生物,它们长期生活在高温高压的环境中
You have to step up. You have to serve." He said groups like the Clinton Global Initiative are making a difference around the world by working with business to cut dangerous emissions, empowering entrepreneurs with micro-loans, and giving hope to some of the world's poorest children.
VOA: standard.2009.09.23
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