Polysulfone
[化] 聚砜; 聚砜类
🗣️ 情景例句
I mean, Alexandra Pappas.
我是说Alexandra Pappas。
A bad thing never dies.
坏事传千年。
Most of them were able to climb out in time. However four men were not quick enough to escape the flames.
大部分工人能够及时逃生。可是有4个工人来不及逃离火场。