1·"Look at my frog!" said Avery, placing the frog on the drain board and holding out his hand for pie.
“看看我的青蛙吧。”艾弗利说，把青蛙放在滴水板上，伸出手去拿蓝莓派。
2·The article introduces the general character of soft soil roadbed and the treatment scheme of sand cushion and plastic drain board.
介绍了软土路基的共性，砂垫层、塑料排水板处理方案。
3·The utility model is a water grating board which is convenient to drain. The utility belongs to water grating used in municipal works and sewers of streets and dwelling communities.
一种方便排水的水箅盖，属于市政工程、道路、生活小区内等下水管道上 使用的水箅盖。