词汇	pocket slide rule
释义	pocket slide rule 袖珍滑尺
随便看	The flood waters finally receded The flood waters gradually subsided The flood waters slowly retreated The flood weakened the dam thefloor the floor The floorboard has been deformed for age the floor exercise The floor has a tilt to it The floor has been cemented over The floor has been sanded smooth The floor has been swept the floor in a faint The floor is coated with varnish The floor is cold so I put a rug on it The floor is covered with a carpet the floor is lava The floor is lifting slowly The floor is matted The floor is of marble The floor is quite flat The floor is quite level The floor is slippy The floor is tiled sandstone The floor marks easily