The epidemiological studies played a key role in these decisions.流行病学研究在这些裁定中都起着重要作用.Some data are now available from studies that have utilized an epidemiological approach.利用流行病学方法的研究工作已经提供了一些资料.Objective To sum up the ...
他时刻提防着任何有辱尊严之事。He is constantly on guard against any threat of humiliation.过去人们不会教育孩子提防陌生人。People did not teach their children to be wary of strangers.我一定会时刻睁大眼睛提防他的行为。I shall certainly keep a beady eye on his behaviour....