In time, scores of additional antibiotics were developed, both those that are derived from living things and those that are made synthetically.
ومع مرور الوقت ،‏ طُوِّر المزيد من المضادات الحيوية الاخرى ،‏ سواء كانت مستخرجة من اشياء حية او منتَجة اصطناعيا .‏