Polysulfuration
聚硫化作用
🗣️ 情景例句
Got to go and feed him.
我得走了， 该去喂他了。
If you have time,will you call me tomorrow?
如果你有时间，你明天将打电话给我？
She stood three feet high and her hands rested on her hips.
她身高3英尺，双手叉腰。