单词:bathophenanthroline (4,7-diphenyl-1,10-phenanthro)
单词:bathophenanthroline (4,7-diphenyl-1,10-phenanthro) 相关文章
The Chinese Premier has once again stressed the importance of reducing red tape and boosting innovation for the country's economy. Li Keqiang made the comments as he toured one of the China's newly-established free trade zones on May 8th. Henan provi
VOICE ONE: I'm Barbara Klein. VOICE TWO: And I'm Steve Ember with EXPLORATIONS in VOA Special English. Today we tell about hip-hop music with a message. (MUSIC) VOICE ONE: Hip-hop music started in the South Bronx area of New York City in the early n
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