Polydiolefin
聚二烯烃
🗣️ 情景例句
They can build a space craft and send it to the edges of our very solar system.
他们能制出航空飞船并将其发送到太阳系的边缘。
The Spring Festival lasts half a month until the Lantern Festival comes.
春节要持续半个月左右，直到无宵节来为止。
I like reading and listening to music.
我喜欢阅读和欣赏音乐。