Buffer zone: 緩沖地帶
UN peacekeepers moved in on Tuesday to create a buffer zone between rival factions of the Congolese army.
Ration: 定量配給
The agency has been steadily cutting rations to more than 2.8 million people in Southern Africa over the last six months, many of them living with HIV/AIDS and many of them children. Most have been surviving on half a normal ration, or less.