... 干旱期 dry spell 产前性别选择 prenatal gender 拇指规则 rule of thumb ...
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a dry spell 一段干旱期
a long dry spell 长期的连续干旱
dry spell and wet spell 干期和湿期
a spell of dry weather 一段持续天气干燥时间
dry and wet spell 干湿持续期
·2,447,543篇论文数据,部分数据来源于NoteExpress
dry season
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The dry spell sank the river.
干旱的天气使河水下降。
The dry spell is over.
旱象已经解除。
《新英汉大辞典》
The farmers call it flying the seeds. In a dry spell, saltwater from the Gulf of Mexico can seep into Louisiana's aquifers.
VOA: standard.2010.06.17
After an extraordinary four year dry spell, the Senate has passed a formal budget proposal.
FORBES: Move up http://i.forbesimg.com t Move down
After the phenomenal success of Apple in the 1980s, Jobs hit a dry spell.
FORBES: Innovation Is for the Young - Or Is It?
Curing cancer is a big task for a drug giant just coming off a decadelong dry spell.
FORBES: Magazine Article
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