臭氧是一种非常活跃的氧气形态。Ozone is a highly reactive form of oxygen gas.他是当下仍旧活跃的最有闯劲、最具想象力的爵士乐钢琴师之一。He's one of the most dynamically imaginative jazz pianists still functioning.他是活跃的双性恋者。He was an active bisexual....
Her Daimler limo waits with its engine idling.她的戴姆勒豪华轿车原地待命，发动机在空转。Daimler rushed out a trading update early because an unexpectedly good three months, partly at Mercedes.戴姆勒公司(Daimler)匆匆忙忙地提早发布了交易更新数据,原因是三个月业绩好于预期, 部分在于...
用木薯茎切段及顶芽作为外植体,诱导木薯愈伤组织的形成.Callus was induced from explants of cassava stem with bud and shootlet.结果表明:培养基pH6.5或培养温度20℃时外植体褐化率最低.The browning rate was the lowest at pH 6.5 or 20℃.结果表明:外植体为胚轴出愈速度快 、 质量好且分化率高.The results s...
Insulin is secreted by the pancreas.胰岛素是胰腺分泌的。There are about 1.5 million islets is the pancreas.胰腺里大约有一百五十万个胰岛.Duodenun is joined to the liver and to the pancreas by ducts.十二指肠通过导管与肝和胰相连....
The best way to represent the isotactic structure is with molecular models.表示等规结构的最好方法是用分子模型.Polyacetaldehyde may exist in atactic, syndiotactic and isotactic forms.聚乙醛可以以无规, 间同和全同形式存在.Polyacetadehyde may exist in atacti...
煤火烧得正旺，上面的铁茶壶嘶嘶地响个不停。The iron teakettle was hissing splendidly over live coals.茶壶从她手中掉了下来.The teapot dropped out of her hand.她把茶壶又添满了开水.She refilled the teapot with boiling water....