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
This the rich part of town.
这里是小镇的富人区。
I still have a cough.
我仍然患咳嗽。
However, a few days later, he was told that a mistake had been made.
然而，几天之后，有人告诉他说弄错了。