单词：synthetic opals
单词：synthetic opals 相关文章
Illicitly used Synthetic drugs are chemically produced psychoactive substances that mimic the effects of illegal narcotics, which have been altered just enough to avoid classification as illegal. And this is one reason why these chemicals are dangero
VOA标准英语2017年(三月)
Beneath the hot-skillet surface of the outback where the baked soil crumbles like ashes, there are treasures to be found. In endless warrens of burrowing and hole, every hour of every day, you can find people digging. And virtually all of these indi
国家地理2008年
Here, indeed, is the true lover, said the nightingale. What I sing of, he suffers: what is joy to me, to him is pain. Surely love is a wonderful thing. It is more precious than emeralds , and dearer than fine opals . Pearls and pomegranates cannot bu
英语散文阅读
AUDIE CORNISH, HOST: Scientists have taken a big step towards making synthetic life. In other words, they figured out how to create a living thing with DNA that was written in a lab. NPR health correspondent Rob Stein has the details. ROB STEIN, BYLI
2017年NPR美国国家公共电台3月
Beneath the hot-skillet surface of the outback where the baked soil crumbles like ashes, there are treasures to be found. In endless warrens of burrowing and hole, every hour of every day, you can find people digging. And virtually all of these indiv
自然百科2008年
SYDNEY, Aug. 5 (Xinhua) -- The Western Australian Government announced on Friday that 14 new substances linked to the manufacture of the synthetic drug Kronic would be banned from Friday midnight. The State Mental Health Minister Helen Morton told th
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