unfilled的用法和樣例：
例句
- Something canceled, especially a released accommodation or an unfilled appointment.
撤消被撤消的事物，尤指被放棄的住房或未履行的約會 - An accumulation, especially of unfinished work or unfilled orders.
積壓堆積物，尤指沒完成的工作或未兌現的定單
辭彙搭配
- unfilled orders 未發貨訂單
- unfilled section 欠缺斷面,未充滿的斷...
- unfilled corner 缺角
- unfilled order 未執行的訂單...
- unfilled porosity 非飽和孔隙度...
- requisition unfilled 未發材料的領料單...
- unfilled crater 未焊滿的弧坑...
- backlog of unfilled orders [經] 未完成訂單...
