forage drier

常见例句

双语例句

• But as the environment became drier around two million years ago, they began to forage in more-open grasslands—a problem for brains, which are notoriously vulnerable to heat.
  但200万年前，随着环境变得更加干燥，他们开始在更开阔的草地上寻找食物——这对大脑是一大考验。 众所周知，大脑对热很敏感。
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