'open book' 的定义
含 open book的例句
He didn't reply, and I couldn't see his expression because the open book was in the way. MURDER IN E MINORThe taciturn Carne watched Pemberton's prolonged absorption and read him like an open book. LOHENGRINHis radio was playing some piano piece and there was an open book face down on the table beside his favourite chair. SNOWJOB
open book 的趋势
偶尔使用。在柯林斯辞典中， open book 是3万个最常用词之一。
open book 的定义—— 柯林斯 英语词典
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