在UNIX系统中，etc/services接口主要提供什么服务
A
暂无解析
()Pleasegivemetwobottlesof_______.
—Isthereadininghallinyourschool?
—__________
Lookoutofthewindow.(改为否定句)
______________________________
()______ismyumbrella?It'soverthere.
Thenumberofsecondsinoneday_____Thenumberofminutesinoneweek
