樂寧外教口語天天練:第104期

樂寧外教口語天天練No.104
    I know this book inside out.
    inside out 意為
    to know something very well.
    I know this book inside out.
    inside out 意為
    to know something very well.
    譯文：我對這本書了如指掌。
    謝謝收聽，明天繼續(xù)^^