Zedeflon
四氟乙烯均聚物
🗣️ 情景例句
What's up?
有什么事？
Health is above wealth.
健康胜于财富。
What are they making? asked Li Lei. Uncle Wang laughed. Guess! he said.
“他们在造什么？”李磊问。王大叔笑了。“猜猜看！”他说。