中央: 1.(中心) centre; middle 短语和例子花园中央 at the centre of the garden2.(最高领导机构) central authorities 短语和例子党中央 the central committee of the party; the party central committee; 中央各部门 departments under
单元: (自为一组的单位) unit; unit element; [计算机] cell; location; [电学] sub-unit; element 短语和例子运算单元 arithmetic unit; 记忆单元 memory location; 教学单元 teaching unit; 十八号楼四单元二号 no.2, entrance 4, building 18
