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.
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。
When winter comes, it is dormant, but it comes back to life when spring returns.
当冬天来临的时候，它就进入了睡眠状态，但当春天来临时它又恢复了生机。
Prune in the dormant season --- pruning in late spring could create an entry point for dogwood borers.
剪枝最好在晚春时节休眠期进行，这样可以使得山茱萸切口完整。
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