Periodic copolymer
[化] 周期共聚物; 交替共聚物
🧩 词语组成解析
periodic
[,pɪrɪ'ɑdɪk]
adj. 周期的;定期的;回归的;间歇的，时而发生的;
copolymer
[[kəu'pɔlimə]]
n. 共聚物\\n[化] 共聚物; 二元共聚物
🗣️ 情景例句
The weather during our holiday was perfect.
我们度假时天气好极了。
I would like to confirm the reserved seat.
我要确定已预定的位置。
It now came straight towards them at tremendous speed.
它现在正以惊人的速度直冲他们驶来。