Chilstrom was a pilot in the first jet air race and delivered the first air mail by jet.
Chilstrom was a pilot in the first jet air race and delivered the first air mail by jet.
Chilstrom was a pilot in the first jet air race and delivered the first air mail by jet.
为该句子写一个更简单的版本: Chilstrom was a pilot in the first jet air race and delivered the first air mail by jet. 输出: