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来源：雅诚德英语网
you will have to let your tongue go slack in your mouth and let your eyelids close;
你必须让你的舌头松弛地躺在口腔里，把你的眼睛闭上；
you will have to let your tongue go slack in your mouth and let your eyelids close;
你必须让你的舌头松弛地躺在口腔里，把你的眼睛闭上；