Many dentists will no longer treat National Health Service patients, which is a big backward step in this country.许多牙医不再为依靠国民保健制度的病人看病，这是该国的一大倒退。...a busy dentists' practice in the heart of London's West End.位于...
The constitution also confers large powers on Brazil's 25 constituent states.宪法还赋予巴西的25个成员州很大的权力。Caffeine is the active constituent of drinks such as tea and coffee.咖啡因是茶、咖啡之类饮品中的活性成分。Glycerol is a constituent of al...
The amygdala is an executor of stress behavioral, autonomic and neuroendocrine responses.杏仁核是应激性行为反应以及自主神经和神经内分泌反应的执行部位.The amygdala also sends information back to the frontal cortex.扁桃体也会将讯息传回额叶皮质.A couple seconds later...