There has been a long spell of dry weather.

干旱天气已持续很长一段时间了。

《柯林斯英汉双解大词典》

The dry spell sank the river.

干旱的天气使河水下降。

youdao

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

Her appearance was followed by a downpour, an event all the more impressive because it had been preceded by a long spell of dry weather.

ECONOMIST: Queen Modjadji

Fire chiefs say an extended dry spell has left vegetation around Cleator Moor, Maryport, and Whitehaven excessively dry and easy to set alight.

BBC: Cumbria locator

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