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
They always were,
他们过去如此，
I'm two years older than you are.
我比你小2岁。
In the morning, Mr.Sawyer goes to work and the children go to school.Their father takes them to school every day.
早上，索耶先生去上班，孩子们去上学。父亲每天送孩子们去上学。