Meteorology. A line or elongated region of lower barometric pressure between two regions of higher.
| 单词 | θ7743 |
| 释义 | the world > the earth > weather and the atmosphere > movements and pressure conditions > [noun] > atmospheric pressure > area of low pressure > specific shape or position (2) trough1882 Meteorology. A line or elongated region of lower barometric pressure between two regions of higher. col1885 Meteorology. A region of lower pressure between two anticyclones. |
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