The outbreaks occur most often in the summer and early fall.

暴发最常发生在夏季和初秋。

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Through the rest of the summer and early fall of 2008, Lefkofsky would not let that idea go.

但是，2008年的整个夏末初秋，莱夫科夫斯基仍然没有放弃他的想法。

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It is recommended that you bring insect spray and sun screen in late Spring, Summer and early Fall.

在晚春，夏季和早秋时节，你最好带蚊虫喷剂和涂防晒霜。

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Even as the probe of the relationship between Mr. Petraeus and Ms. Broadwell intensified in late summer and early fall, authorities were able to eventually rule out a security breach, though intelligence officials became concerned Mr. Petraeus had left himself exposed to possible blackmail, according to officials.

WSJ: FBI Agent in Petraeus Case Under Scrutiny

Visit Albuquerque in the late summer or early fall and you are bound to see and smell chiles rotating in grated steel barrels over propane flames to loosen the skin and bring out the flavour.

BBC: The backbone of New Mexican cuisine

Trees start scattering their pollen in early spring, followed by grasses, and then ragweed kicks in during the summer and runs through fall.

CNN: Predicting allergy season eludes experts