名詞 estivation:

1. (zoology) cessation or slowing of activity during the summer; especially slowing of metabolism in some animals during a hot or dry period
   同義詞：aestivation
2. (botany) the arrangement of sepals and petals in a flower bud before it opens
   同義詞：aestivation

estivation 也作 aes.ti.va.tion

n.（名詞）
The act of spending or passing the summer.
避暑：渡過夏天的行為
Zoology A state of dormancy or torpor during the summer.
【動物學(xué)】 夏眠：在夏天處于睡眠狀態(tài)
Botany The arrangement of flower parts in the bud.
【植物學(xué)】 花被卷疊式：花蕾中花被的一種形式