These individual dinosaurs lost their lives to a seasonal drought.

这两头恐龙因为季节性干旱而丢了性命。

These techniques are uniquely cold-beating adaptations — well, they were, until descendants of leaf-dropping trees made it back to the dry tropics, where their strategy helps them deal with the extended seasonal droughts that occur in monsoonal climates.

这些技术是独特的冷拍适应技术，直到落叶树的后代将其带回热带干旱地区为止，他们的策略才可以帮助他们应对季风气候中出现的季节性干旱。