英语语法分析

When he handed the medicine to the next musher, Shannon's face was black from the extreme cold.

当他把药递给下一个赶狗人时，香农的脸冻得发黑。

On January 31, a musher named Seppala had to cross a frozen body of water called Norton Sound.

1月31日，一位名为塞帕拉的赶狗人必须穿越一个叫诺顿湾的冰冻水域。

Kathy is an experienced musher, or sled driver.

凯西是一位有经验的赶狗拉雪橇的人。