Officials say the attempts were blocked by threat monitering but there was a period of time when the protection had not been installed.
官方表示称,这些攻击均遭到了监控的屏蔽,然而曾有一段时间并未设置保护。
英汉双解词典包含3607232条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。