Unsaturated polyester resin
[化] 不飽和聚酯樹脂
?? 詞語組成解析
a. 沒有飽和的, 不飽和的
polyester
[['p?liest?, ?p?li'est?]]
n. 聚酯\\n[化] 聚酯
resin
['rezin]
n. 樹脂;合成樹脂;松香;
vt. 用樹脂處理;涂擦樹脂于;
??? 情景例句
Please come in, Mr. Wilson.
請進，威爾遜先生。
This is a revolutionary new product.
這是一種革命性的新產(chǎn)品。
and content in the thought that what was possible has been done.
想到能做的事都做了，也就坦然了。