项: Ⅰ名词1.(颈的后部) nape (of the neck) 短语和例子颈项 neck2.(款项) sum (of money) 短语和例子进项 income; 欠项 liabilities; 用项 items of expenditure; expenditures3.[数学] (不用加、减号连接的单式) term 短语和例子同类项 similar terms; 外项 e
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