Unsaturated polyester
[化] 不饱和聚酯
🧩 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
🗣️ 情景例句
I'm afraid we don't see eye to eye on this.
恐怕我们在这一点上达不成共识。（see eye to eye on sth : 对某事看法一致。）
It's been a long time.
好久不见了。
A burst of activity associated with the laying of submarine cables soon confirmed the Challenger's observation that many parts of the ocean were two to three miles deep,
海洋中很多地方可深达两三英里，