《单词背诵云笔记》异道何安

7、4.19

　　slap sb on the back
　　对某人表示赞许

　　refresh oneself with a cup of coffee
　　喝杯咖啡提神

　　a stitch in time saves nine.
　　小洞不补，大洞吃亏

　　I'm come shortly.
　　我一会儿就来

　　make a slide presentation.
　　做幻灯片演示