| 释义 |
trade off- 不时地交替换位：
The two teams traded off with each other several years for first place in the football league. 这两队几年来轮番获得足球联赛的冠军。 - 交替使用：
We traded off large and small brushes for rough and fine work. 我们交替使用大小刷子来做粗活和细活。 - [亦作 trade away] 以…易货；拿…作物物交换；以…作为交换；卖掉；换掉:
He traded off his watch for a tape recorder. 他用手表换了一台收音机。
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