sign out 英 [sain aut] 美 [saɪn aʊt]词典：签名离开 网络：退出; 登出; 注销
sign out 英 [sain aut] 美 [saɪn aʊt]词典：签名离开 网络：退出; 登出; 注销
退出英语单词退出[tuì chū]词典:quit; withdraw from; bow out; secede; drop out 例句：1、他退出了该运动，因为它放弃了温和政策。
He had left the movement because it had abandoned its centrist policies.2、多番争吵。
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