Unsaturated polyester resin
[化] 不饱和聚酯树脂
🧩 词语组成解析
n. 树脂;合成树脂;松香;
vt. 用树脂处理;涂擦树脂于;
🗣️ 情景例句
No one lives here by that name.
这里没有人叫那个名字。
He is now out of touch with his old friends.
他现在已经没有和他过去的朋友联系了。
Although negotiators are optimistic, the details are complex enough that they may be hard-pressed to get a deal at all.
然谈判代表持乐观态度,但协议细节如此复杂,他们所面临的困难很可能使他们无法取得一致。
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