Polytrimethylene formal
[化] 聚亞丙基縮甲醛
?? 詞語組成解析
formal
['f?:m?l]
adj. （學校教育或培訓）正規的;方式上的;禮儀上的;
n. <美>須穿禮服的社交集會;<口>夜禮服;
??? 情景例句
That's exciting, Harry. What was it?
太令人興奮了， Harry。是什么樣的工作？
A fault confessed is half redressed.
承認錯誤，等于改正一半。
A drink? We've only just started! There are twenty more trees to be planted!
喝水？我們才剛剛開始！還有20多株樹要種呢！