位于庞贝和赫库兰尼姆的海滨度假胜地为市民提供了机会，他们可以逃离到自己的度假别墅，以避开罗马夏季的炎热。
Seaside resorts located at Pompeii and Herculaneum afforded citizens the opportunity to escape to their vacation villas in order to avoid the summer heat of Rome.
洞穴的形成需要火山气体和热量的稳定释放，海拔高到足以防止每年的大量降雪在夏季融化。
The cave-making recipe calls for a steady emission of volcanic gas and heat, a heavy annual snowfall at an elevation high enough to keep it from melting during the summer.
他将航行到新西兰，然后在2月，也就是南方的夏季到达南极洲，然后在第二年的春天前往极地。
He would sail to New Zealand, then reach Antarctica in February, during the southern summer, and then proceed to the pole the following spring.
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