Polyacetals
聚缩醛(树脂)
🗣️ 情景例句
Where's the produce section?
储鲜柜在什么地方？
How long will you remain in the country?
你将会在乡间逗留多久？
On the way home, my wife said to me, 'Don't drive so quickly! You're not Billy Stewart!'
“别开得这样快！你可不是比利。斯图尔特！”