petrol bomb
noun [ C ] UK uk/ˈpet.rəl ˌbɒm/ us/ˈpet.rəl ˌbɑːm/
汽油弹,燃烧弹
a bottle filled with petrol or other liquid fuel, with a piece of cloth in its top, that is set on fire and thrown
The rioters were throwing petrol bombs. 暴乱分子在投掷汽油弹。
Synonym: Molotov cocktail