(IELTS4000) drought | Definition: dry period; aridity; long period of abnormally low rainfall
| (SAT5000) drought | Definition: Dry weather, especially when so long continued as to cause vegetation to wither.
| | (ESS4000) drought | Definition: A drought is a long period of time in which little or no rain falls. | Example: →After three months of drought, the vegetation and trees started dying.
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hạn hán 
drought