题目内容
13. satisfy v.使满足 → adj.满意的 → n.满意;满足
14. difficult adj. → n.困难;难题
15. train n.火车& v.训练 → n.训练
13. satisfied,satisfaction 14. difficulty 15. training
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题目内容
13. satisfy v.使满足 → adj.满意的 → n.满意;满足
14. difficult adj. → n.困难;难题
15. train n.火车& v.训练 → n.训练
13. satisfied,satisfaction 14. difficulty 15. training