Zedeflon
四氟乙烯均聚物
🗣️ 情景例句
He jumps from one job to another.
他经常换工作。
It'll take almost all my savings to buy the ticket.
买票将花了我几乎所有的积蓄。
I regretted saying it almost at once.
但马上又后悔说了这话。