Polythioester
[化] 聚硫酯
🗣️ 情景例句
What kind of advice are you looking for?
希望能得到什么建议？
Will you plan to join me for dinner?
你要跟我一起吃饭吗？
It's a frisby. Do you want a go?
是frisby（飞盘）。你想试试吗？