| 单词 | gainful |
| 例句 | gainful adjective •a gainful investment:profitable, paid, well-paid, remunerative, lucrative, moneymaking | rewarding, fruitful, worthwhile, useful, productive, constructive, beneficial, advantageous, valuable. |
| 随便看 |
英语同义词词典收录了14896条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。