البحث
إكتشاف أشخاص جدد وإنشاء اتصالات جديدة وصداقات جديدة
the framework and covering of an airplane or rocket (excluding the engines)
the framework and covering of an airplane or rocket (excluding the engines)
the framework and covering of an airplane or rocket (excluding the engines)
the framework and covering of an airplane or rocket (excluding the engines)
a hypothetical description of a complex entity or process