n.中央;中部;中等;腹部;
adj.当中的;中间的;中等的;年龄居中的;折中的;
例句:
Take a sheet of paper and draw a line down the middle .
拿出一张纸,在中间画一条线。
He was standing in the middle of the room.
他站在屋子的中间。
It was now the middle of November, cold and often foggy...
现在是11月中旬,天气寒冷而且经常有雾。