Also, if you go away from your house for awhile in the spring to fall, then you should fill up the tank before you leave. It will slowly evaporate through the loop seal.

此外，如果我们在春季至秋季这一段时期要离开家一段时间，我们应当在离家前将我们太阳能热水器的水箱注满。

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Colds are worse in winter while seasonal allergies are more common from the spring to early fall when plants are pollinating.

冬天会加重感冒，而季节性过敏的高发率往往出现在从春天到早秋，因为植物会在这段时期传授花粉。

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They are making spring and fall voyages into the Bering Sea, Arctic Ocean, and Gulf of Alaska to analyze the contents of water retrieved from capsules plunged into the water column.

他们在春季和秋季去到白令海峡 北冰洋和阿拉斯加湾通过放入水下的容器来获取样本分析水质的构成。

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Open from spring to fall, Clayoquot is owned by a family trust and dedicated to the preservation and enjoyment of the pristine wilderness setting.

FORBES: Clayoquot Wilderness Resort, Vancouver Island, BC, Canada - Larry Olmsted The Great Life

With minimal narration and swift explanatory titles, the director sweeps viewers up in the surging movements of huge flocks that swarm from north to south every fall and back again in spring.

NEWYORKER: Winged Migration