VOA慢速英语:Boy's Body Found After Alligator Attack at Disney

wade – v. to walk through water

grab – v. to quickly take and hold (someone or something) with your hand or arms

tracker – n. a person who follows and tries to find (an animal) by looking for its tracks

canal – n. a long narrow place that is filled with water and allows boats to pass through and other signs that show where it has gone