引入操作符的英文

• insertion ()

• 引入:    lead into; draw into; pull-i ...
• 操作符:    actor; new operator; operational character; operational sign; operator, an mo element; operator, content element; operators; the as operator; the is operator; type of operator
• 拨入操作:    dial-in operation; dila-in connection
• 插入操作:    break in operation; infix operation
• 输入操作:    i ut operation; input operation