الرجاء الانتظار حتى اكتمال تشغيل الصفحة
Unit 18 Space travel
السفر للفضاء
| buildings from which scientists watch the sky | Observatories | |
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how big or small something is |
size | |
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pieces of equipment that make things that are far away seem closer and large |
telescopes | |
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100 years, used especially in giving dates |
century | |
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تعليقات
إرسال تعليق