The most obvious burning signal is in Mexico, where fires burned along both the Pacific coast and the Gulf of Mexico.

最明显燃烧信号是在墨西哥，在那里燃烧一直沿着太平洋海岸到墨西哥湾。

youdao

X-43A will set off on its own, burning hydrogen as it streaks out across the Pacific.

ECONOMIST: Jet propulsion