Vostok ice core

例句：

1. 1. The Vostok ice core is a crucial piece of evidence for understanding the Earth's climate history.
   尤索克冰芯是理解地球气候历史的关键证据。
2. 2. The Vostok team has been studying the ice core for over 50 years.
   尤索克团队已经研究冰芯超过50年。
3. 3. The Vostok ice core contains valuable information about past temperatures and climate changes.
   尤索克冰芯包含了关于过去温度和气候变化的重要信息。