Polyarylsulfone
[化] 聚芳砜
🗣️ 情景例句
But, my dear niece, please do consider my words very carefully before you decide.
但是我的孩子，在你做出决定之前请一定要认真考虑我的话。
A secret between more than two is no secret.
两人以上知道的秘密就不算秘密。
If parents were prepared for this adolescent reaction,
如果家长对青少年的这种反应有思想准备，