Dopamine is an important neurotransmitter.多巴胺是一种重要的神经传递素。Neuroblastomas are also associated with increased urinary levels of dopa, dopamine and their metabolites.成神经细胞瘤患者尿中也出现大量的多巴 、 多巴胺以及它们的代谢物.Dopamine also plays a rol...
If he demands too much, the unions will vote him down.如果他要求太多，工会就会投票撤换他。The once-powerful post unions have been cut down to size.一度很强势的邮政联盟已经威风不再。They have yet to break the link with the trade unions.他们还必须断绝与工会组织的联系。...
John Pennel became the first person to pole-vault 17 ft., at a meet in Miami, Florida.约翰·佩内尔在佛罗里达迈阿密的一次运动会上成为撑竿越过17英尺的第一人。The main stem will extend to around 12ft, if left to develop naturally...如果任其自然生长，主干可以长到约12英尺。The ...