| 单词 | on the fly |
| 释义 | on the fly 1 : quickly and often without preparation匆忙地；赶紧地
2 : through the air : without hitting the ground在空中；在飞行中
3 : while something else is also being done on a computer（计算机）后台运行
⇒ Main Entry: 4 fly |
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