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
Well, it's hard work.
嗯 这种工作很辛苦。
I ought to stay at home.
我应该留在家中。
Two men took the parcel off the plane and carried it into the Customs House.
有两个人把包裹拿下飞机，进了海关。