Polysulfuration
聚硫化作用
🗣️ 情景例句
What shade do you recommend for me?
你给我推荐什么样的颜色？
How people design computer games is beyond me.
我不懂得电脑游戏是怎么设计的。
The news that the leader will come here is not true.
头儿要来的消息不可靠。