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....
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 ...