Poly (vinylidene difluoride)
[化] 聚偏二氟乙烯
🧩 词语组成解析
n. 理工学院, 工艺高等专科学校\\n[化] 聚尿苷酸
🗣️ 情景例句
But Christmas is the most important holiday of the year.
但是圣诞节是一年当中最重要的节日。
In every country dogs bite.
天下的狗都要咬人。
It's Jim. He's in that tree. He can't get down. Can you help him?
是吉姆，他在树上，下不来了，你能帮他吗？