n. 区段, 部分, 区域, 节, 截面, 处, 科, 区, 扇区
vt. 把...分段, 把...切片
vi. 被切成片
[计] 扇区
英文释义
n. a self-contained part of a larger composition (written or musical)
n. a very thin slice (of tissue or mineral or other substance) for examination under a microscope
n. a distinct region or subdivision of a territorial or political area or community or group of people
n. one of several parts or pieces that fit with others to constitute a whole object