友情提醒：点击
，可以收听真人发音
，可以收听真人发音 
小测验：选择正确的单词
- 论坛新贴
unprofitably
基本释义
- ad. 无利可图地;徒劳无益地
英英解释
2个副词解释
- without gain or profit
[同] gainlessly, profitlessly, unprofitably - in an unproductive manner
[同] fruitlessly, unproductively, unprofitably
[反] fruitfully, productively, profitably
- without gain or profit