Pacemaker
01
منظم ضربات القلب, بيسميكر
an electronic device implanted inside a person's body to help regulate their heart rate
02
محفز, الحصان المحدد للسرعة
a horse used to set the pace in racing
03
منظم ضربات القلب, جهاز تنظيم ضربات القلب
a specialized bit of heart tissue that controls the heartbeat
04
رائد, قائد
a leading instance in its field



























