(
残渣(尤指矿渣)。
[mass noun]grain or flour of inferior quality
质量低劣的谷子(或面粉)。
[mass noun]the action of cutting the stalks or ends off fruit or vegetables, in preparation for cooking
(烹饪之前)摘除水果(或蔬菜)的根
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the green beans only needed topping and tailing .青菜豆只需要摘除两头就行了。
the part of a beam or projecting brick or stone embedded in a wall
砌置墙上的挑出件。