| 释义 |
n. fog,haze,pollution,smoke 1. | 烟雾（烟与雾混合的空气污染物，尤见于城市）a form of air pollution that is or looks like a mixture of smoke and fog , especially in cities |
| attempts to reduce smog caused by traffic fumes 旨在降低车辆尾气造成的烟雾的措施 |
n. | 1. air pollution caused by a mixture of smoke and chemical fumes, esp. in cities |
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