Smoke spreading across nearly half of Brazil.

烟雾在巴西近一半的地区蔓延。

The smoke spreads thousands of miles across to the Andes Mountains.

烟雾蔓延数千英里，到达安第斯山脉。

Smoke-forecasting website BlueSky Canada showed wildfire smoke spreading across much of the country on Thursday.

烟雾预报网站蓝天加拿大显示，周四，野火烟雾在该国大部分地区蔓延。