Ⅰ.middle指“中间”,表示时间和空间的“中间”,是相对而言的,也可指笼统的“中部”,如:
We have lunch in the middle of the day.
另外middle还可表程度的“中等”如:the middle school
Ⅱ. centre “中心”,通常用于空间方面,强调指正中心。它还可以用于借喻,表某一事物的中心。如:
① Dray a circle round a given centre. 就指定的中心画一圆圈。
② We live in the centre of London. 我们住在伦敦中心。
③ Beijing is the political, economic and cultural centre of China. 北京是中国的政治、经济和文化中心。
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