درس 3: The Value of Knowledge
زبان انگلیسی (1)
دهم
دوره دوم متوسطه- نظری
علوم ریاضی
درسنامه آموزشی این مبحث
If you don't use your hands and legs for some time, they become weak; when you start using them again, they slowly become strong. "Strong" means .................. .