尽管一年中大草原上可能会有大量降雨，但至少有一段时间是降雨很少的，造成干旱压力，最终有利于牧草生长。
Though plenty of rain may fall on savanna during the year, for at least part of the year little does, creating the drought stress ultimately favoring grasses.
干旱的定义是：一段时间内异常的干燥天气。
A drought by definition is a period of unusually dry weather.
他说这干旱的天气可能还要延续一段时间。
He observed that the weather might continue dry for some time.
花开开端经过一段时间的延伸，招致干旱与高盐环境伴生。
The bloom began following a period of extended drought, which caused hypersaline conditions.
四是干旱的气候环境。沙尘暴多发生于北方的春季，而且降雨后一段时间内不会发生沙尘暴是很好的证据。
Four is the dry weather environment. Born in the north of the sandstorm multiple spring, and rain after a period of time within a won "t happen very good evidence is dust storms."
四是干旱的气候环境。沙尘暴多发生于北方的春季，而且降雨后一段时间内不会发生沙尘暴是很好的证据。
Four is the dry weather environment. Born in the north of the sandstorm multiple spring, and rain after a period of time within a won "t happen very good evidence is dust storms."
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