What is the meaning of the underlined phrase?A.关着灯.B开着灯.C保持安

what is the meaning of the underlined word "vulnerability"? What is the meaning of the underlined sentence? what is meaning of the underlined word in chinese What the underlined phrase mean? what does the underlined phrase What is the Chinese meaning of the underlined sentence A.学不思 What is the chinese meaning of the phrase"write back"?的中文翻译 What's the meaning of the underlined word fantastic What's the chinese meaning of the underlined word"custom"? .What's the meaning of the underlined word "fantastic"? which is the Chinese meaning of the underlined word "guide"? What is the meaning of