Officer who shot unarmed black teen resigns
开枪射杀手无寸铁黑人少年警官宣布辞职
The police officer who is at the center of nationwide protests in the United States has resigned, days after a grand jury decided not to charge him over the shooting death of an unarmed black teenager Michael Brown in the St.Louis suburb.
陪审团宣布对圣路易斯郊区射杀手无寸铁的黑人少年迈克尔布朗的警官不予指控几天后,引发美国全国范围激烈抗议活动的这位警官宣布辞职。