to add something extra in order to improve something or make it bigger 增补；补充；追加 | Heat from the chimneys is pumped back in to supplement the heating system. 烟囱的热能被回吸进供热设备以增强其热力。 |
| supplement sth with sth Our findings are supplemented with material from other surveys. 其他调查中所获得的资料补充了我们的发现。 |
| | a | to add extra money to the amount that you normally earn 贴补（固定收入） | | supplement your income/salary etc He was able to supplement his income by writing stories. 他有能力以写小说增加自己的收入。 | |
| | b | to add extra or different food to the amount that you normally eat 补充（食物） | | Their diet was often supplemented by home-grown vegetables. 他们的日常食谱常添有自家种的蔬菜。 | |