他们是伟大的航海者,因为他们是伟大的经商者.They were great seamen because they were great traders.航海者预言一场强烈的暴风雨将到来.The sailor prophesied a severe storm.雾是航海者最致命的敌人.Fog is the sailor's deadly enemy....
To allow all extensions for a filetype, leave both of the arrays empty for that filetype.如果想允许一种文件类型的所有扩展名,只需将针对该文件类型的所有访问控制数组设为空即可.There are telephone extensions in every office.每间办公室都有电话分机.Extensions of n - echelon cat...