Preformed polymer
[化] 预聚物
🧩 词语组成解析
preformed
[['pri:'fɔ:md]]
a. 预成型的, 预制成的
🗣️ 情景例句
I just retired. Had my own company.
我刚退休。我原来开一家公司。
Dad is building another room onto the back the house.
爸爸另外在屋子的后面盖一个房间。
In it there was a boatman fast asleep.
船上有一船夫在呼呼大睡。