败血性李氏杆菌病可能是因食入或吸入病原菌引起的.Septicemic listeriosis probably develops from ingestion or possibly inhalation of the bacteria.布氏杆菌病对公共卫生和经济的重要性是世界性的广泛问题.Brucellosis is a worldwide problem of both public health and economic impo...
早在十七岁的小小年纪,我就离开了家.At the tender age of seventeen I left home.通常总共只有十一二个会员。现在将至少有十七个。Normally it has only had eleven or twelve members in all. Now it will have seventeen at the very least.现代派诗人就其许多想象又回到了十七世纪极抽象派诗人的意象诗中.Th...
我对所有这些药物的危险性了如指掌。I've read up on the dangers of all these drugs.科学已经探明其危险性非常小。Science has determined that the risk is very small.一些发言者认为拳击的危险性比橄榄球运动小。Some speakers argued that boxing was less dangerous than rugby....