Polythioester
[化] 聚硫酯
🗣️ 情景例句
Keep out of what doesn't concern you.
不关你的事不要插手。
Would you care to answer my question on the warranty?
你可以回答我有关保证的问题吗？
Are you looking forward to your holiday?
你在盼着你的假期吗？