Tefzel
乙烯-四氟乙烯共聚物
🗣️ 情景例句
It's asking a lot.
那需要做许多工作。
Palm Springs. I've got a cousin there.
棕榈泉，我有个表兄在那儿。
His great flight lasted thirty-seven minutes.
他这次伟大的飞行持续37分钟。