Polyfiber
聚苯乙烯纤维
🗣️ 情景例句
I can only stay a few minutes.
我只能停留几分钟。
It's quite cold today.
今天天气相当冷。
modern states 'invest'in institutions of learning to get back 'interest'
现代国家对教育机构投资，收回的"利息