Polysulfuration
聚硫化作用
🗣️ 情景例句
OK, let's take a look.
好了， 让我们来看一看。
But the yesterday's forecast reported it'd be fine.
不过，昨天的预报说是会放晴的。
As soon as he saw us, he picked up a long pipe which was covered with coins and opened one of the baskets.
他一见我们，就拿起了一个长长的上面镶有硬币的管乐器，并掀开了一个筐的盖子。