单词:Pinocembrin-7-methylether
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SCIENCE REPORT – February 6, 2002: Iceman ’s Death By George Grow This is the VOA Special English SCIENCE REPORT. A leading expert on ancient mountain cultures has a theory about a man who died mo
d-Pinoresinoldi-O-b-glucopyranoside 松脂酚双吡喃葡萄糖甙 d-Pinoresinol d-松脂素 Piperitone 胡椒酮 Plantaginin 车前甙 Platycodin A, C, D 桔梗皂甙A,C,D Podophyllotoxin 鬼臼毒
AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals
KELLY MCEVERS, HOST: It has been four months since Hurricane Maria devastated Puerto Rico. And still, 40 percent of the island's customers are still without power. But as NPR's Adrian Florido reports, some people in one town got so tired of waiting t
HAVANA, Feb. 8 (Xinhua) -- The Cuban tennis commissioner and one of the best players in the island's history, Juan Antonio Pino, Friday expressed his optimism on the return of locals to Davis Cup as part of the group America 3. We have shortlisted a