当树木进入冬季休眠期的时候，生产叶绿素的量就会下降。
As trees enter dormancy, they cut back on chlorophyll production.
大多数科学家认为，由于增加的日照、温暖的温度以及丰富的营养的原因，浮游植物在冬季休眠，而在春天蓬勃发展。
Most scientists think that phytoplankton are dormant in the winter and flourish in the spring because an increase of sunlight, warmer temperatures, and abundant nutrients.
蛹在土壤下休眠，直到冬季才变为成年的蛾飞出来。
The pupae remain dormant in the soil until they emerge as adult moths in the winter.
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