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
Good morning, sir. May I help you?
早安，先生。能为您服务吗？
You are saying you turn on the computer and see nothing?
你的意思是你把计算机打开后什么也看不见？
Tom burnt his hand when he was cooking.
汤姆做饭时烫了手。