ضوء ، ساطع ، الأصفر ، أحمر ، تكرر ، جيب ، الفيزياء ، مشروع قانون ، خلفية ، أزرق ، الرسم
الصور ذات الصلة الخالية من حقوق الملكية
- Public Domain
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