Polyflon
聚四氟乙烯树脂(商品名)
🗣️ 情景例句
He accused the government of tearing up the negotiated agreement.
他控告政府撕毁协议。
Be just to all,but trust not all.
要对一切人都公正，但不要对一切人都信任。
Whether it be bird, fish or beast, the porpoise is intrigued with anything that is alive.
海豚对凡是活的东西都感兴趣，不管是鸟、是鱼，还是野兽。