紫色的钢笔
She has a purple pen.───她有一支紫色的钢笔。
she have a purple pen?───她有一支紫色的钢笔吗？
Patrick has a pink pen. Peipei has a purple pen.───帕特里克有一支粉色笔。佩佩有一支紫色笔。
apple pie───苹果派；苹果馅饼
apple pies───苹果馅饼（applepie的复数）
purple heron───紫鹭
purple pound───紫色磅
purple herons───紫鹭
purple pounds───紫色磅
purple proses───紫色散文