screen riddle的意思|示意
美 / skri:n ˈridl /
英 / skrin ˈrɪdl /
振动筛
screen riddle相关例句
Mother would accumulate the river sand into a large heap drying in the open and then riddle with a screen before selling to the building boss.
母亲需要把捞上来的河沙堆积成一个巨大的沙丘，在空气中晾晒干后，用筛子再筛一次，然后才能卖给建筑商。