Polysulfide
[化] 多硫化物\\n[医] 多硫化物
🗣️ 情景例句
Hi. How was lunch?
嗨 。午餐怎么样？
Do you usually learn French after school?
你通常在放学后学法文吗？
Maybe you should order a little better quality.
也许您应该买品质好一点的