Acid-catalyzed polycondensation
[建] 酸催化縮聚(作用)
?? 詞語組成解析
adj. 酸味的;尖刻的;酸的;酸性的;
n. <化>酸;酸味物質;
acid尖,酸,銳利 →酸;酸的,酸性的
v. 催化, 促進( catalyze的過去式和過去分詞 )
??? 情景例句
You and Mommy used to take me on the ferryboat.
你和媽媽常帶我坐渡船。
While you were writing letters,I was reading a book.
當你正在寫信時,我正在讀一本書。
I'll be more careful next time.
我下次要更小心一些。
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