unproductive
英 [?npr?'d?kt?v]
美['?npr?'d?kt?v]
- adj. 非生產性的；徒勞的；不毛的；不生產的
考試真題
- since African agriculture is still broadly unproductive, food is imported, consuming a portion of revenue.
2017年12月四級真題（第三套）閱讀 Section C
- If we weren't on our devices,we'd likely do something similarly unproductive.
2017年12月六級真題（第一套）閱讀 Section B