Polyset
聚酯树脂
🗣️ 情景例句
Yes, here are some catalogs and brochures.
有的，这里是一些目录和小册子。
Mother doesn't approve of her smoking.
母亲不赞成她吸烟。
Not far. My house is about twenty minutes by bike.
离的不远，骑自行车大约20分钟的路程。