Unsaturated polyester resin
[化] 不饱和聚酯树脂
🧩 词语组成解析
a. 没有饱和的, 不饱和的
polyester
[['pɔliestə, ˌpɔli'estə]]
n. 聚酯\\n[化] 聚酯
resin
['rezin]
n. 树脂;合成树脂;松香;
vt. 用树脂处理;涂擦树脂于;
🗣️ 情景例句
If I marry you, there are going to be some ground rules.
要我嫁给你，有一些基本前提。
Today is May 21st.
今天是五月二十一号。
but he has never managed to get enough money to have the church clock repaired.
但始终未能筹足资金把教堂的钟修好。