Which means they can turn their head through 270 degrees and graze all around them, without having to actually bother with the effort of moving their body.
وهذا يعني أنه بإمكانهم لف رؤسهم 270 درجة والرعى حولهم دون أن يضايقهم الجهد المبذول  فى تحريك جسدهم