单词 步行穿过 例句 DEFINITIVE EXAMPLES 权威例句〔across country〕The group walked across country.这群人步行穿过田野。韦氏高阶〔doorway〕She stepped through the doorway.她步行穿过门道。韦氏高阶〔exit〕I walked through the school's main exit.我步行穿过了学...