已知△ABC∽△DEF,且相似比为4:3,若△ABC中BC边上的中线AM=8,则△DEF中EF边上的中线DN=____。
— _________ my dictionary? I can't find it anywhere.
— I ________ it on the shelf when I came in.
下列关于亚洲地形的说法正确的是 ( )