The native speaker isn't better, just because you wear a yello hat or... doesn't make you better.

母语者不是更好，不会因为他们戴着一顶黄色的帽子或什么的，就比你好。

Earlier this year, the WHO reported a global yello fever vaccine shortage, saying the emergency stockpile is completely depleted.

今年早些时候，世界卫生组织报道黄热病疫苗短缺，紧急疫苗储备已经告罄。

Yeah, my dad makes it a lot, so I'm like, yello!

- 是的， 我爸爸经常做， 所以我想，你好！

Two professors from Georgeton University say an outbreak of yello fever in Angola which has killed more than 250 people could spread to other countries.

来自乔治敦大学的两位教授表示，安哥拉的黄热病疫情已经造成超过250人死亡，可能会蔓延至其他国家。

Scientists in the United States are warning that the shortage of yello fever vaccine could spark a health security crisis and urging the world health organization to take emergent steps to prevent it.

美国科学家警告称，黄热病疫苗短缺会导致健康安全危机，敦促世界卫生组织采取紧急预防措施。