unproductive
- adj. 非生产性的;徒劳的;不毛的;不生产的
考试真题
- since African agriculture is still broadly unproductive, food is imported, consuming a portion of revenue.
2017年12月四级真题(第三套)阅读 Section C
- If we weren't on our devices,we'd likely do something similarly unproductive.
2017年12月六级真题(第一套)阅读 Section B