Polysulfide
[化] 多硫化物\\n[医] 多硫化物
🗣️ 情景例句
He keeps good company.
他和好人来往。
Have you finished yet?
你做完了吗？
Dad, this box is too heavy. We can't carry it.
爸爸，这个箱子太重了，我搬不动。