Prepolycondensate
预缩聚物
🗣️ 情景例句
Vote for me, Ellen Stewart.
请投我， Ellen Stewart一票。
A constant guest is never welcome.
久住非佳宾，常来不欢迎。
The Crystal Palace was different from all other buildings in the world, for it was made of iron and glass.
这座水晶宫不同于世界上所有的其他建筑，因为它是用钢和玻璃建成的。