Suburbanization is consuming surrounding farmland and forests as the city expands.

suburbanization 是由名词 suburb（郊区）加上后缀 -ize（使...化）变成动词 suburbanize，再加上名词后缀 -ation 构成的名词。suburb 由前缀 sub-（表示"在...之下"或"次于"）和 urb（城市）组成，字面意思是"城市边缘区域"。 suburbanization 指"郊区化"的过程，即城市人口和功能向周边郊区迁移扩散的现象。