tropical depression
noun
Meteorology a circular or oval system of atmospheric low pressure formed over a tropical ocean and accompanied by winds of moderate speed (typically up to 61 km per hour).
Origin
Mid 19th century.
| 单词 | tropical depression |
| 释义 | tropical depressionnoun Meteorology a circular or oval system of atmospheric low pressure formed over a tropical ocean and accompanied by winds of moderate speed (typically up to 61 km per hour). Origin |
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