摘要：作定语.一般表示所修饰名词事物的用途.例如: a writing desk=a desk for writing 写字台 a swimming pool=a pool swimming 游泳池 有些动名词作定语.与所修饰的名词关系比较复杂.例如: boiling point=a temperature point at which something begins to boil 沸点 a walking tractor=a tractor which a driver can operate while he or she is walking behind it 手扶拖拉机
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