开：open 音标： /ˈoʊpən/ /ˈəʊp(ə)n/ 关：close 音标：/kloʊs/ /kləʊs/ 双语例句： open： 1、it was a warm evening and the window was open 那是个暖夜，窗是开着的 2、the door was wide open 门开得很大 3、the cupboard's been ripped open. 碗橱已经猛地被打开了。 4、the pass is kept open by snowploughs....
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