درس 3: Renewable Energy
زبان انگلیسی (3)
دوازدهم
دوره دوم متوسطه- نظری
علوم تجربی
درسنامه آموزشی این مبحث
When they first came out in the market, solar panels were too expensive to be ……… for home use.
Not a lot of people could buy them.