英语词汇“be ready beforehand”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	be ready beforehand
释义	be ready beforehand 基本例句 prep.事先准备好用作介词He prepared his paper beforehand.他事先准备好了论文。 When a computer is used to solve a problem, a programme of instructions must be prepared in advance.当用计算机解题时，必须事先准备好指令程序。
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