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
What are you majoring in?
你主修什么专业？
When sorrows come, they come not single spies, but in battalions.
祸不单行。
However, Susan has not really made up her mind yet.
然而，苏珊却还没有决定。