Polyepihalohydrin
[化] 聚环氧氯丙烷
🗣️ 情景例句
What do you do in your spare time?
你在业余时间如何消遣？
Labour is light where love doth pay.
爱情作酬报，劳苦必轻松。
and beyond six or seven they are worthless.
如果超过六七天，天气预报就没有了任何价值。