Polysulphide
n. [化]多硫化物
🗣️ 情景例句
Where are the shopping carts?
购物车在哪儿？
Do you think you'll go to the movies tomorrow night?
你认为你将在明天晚上去看电影吗？
It sped downhill at the end of the race and its driver had a lot of trouble trying to stop it.
它在接近终点时，冲下了山坡，驾驶员费了好大劲才把车停下来。