Thick smog that had blanketed the city Wednesday cleared, and fighter jets, helicopters and China "s first midair refueling planes flew over the center of the city."

浓厚的烟雾覆盖着周三晴朗的，有喷气式战斗机、直升机和中国空中加油机从城市中心飞过的北京城。

youdao

Thick smog that had blanketed the city Wednesday cleared, and fighter jets, helicopters and China "s first midair refueling planes flew over the center of the city."

浓厚的烟雾覆盖着周三晴朗的，有喷气式战斗机、直升机和中国空中加油机从城市中心飞过的北京城。

youdao