Polypentamethylene formal
[化] 聚亚戊基缩甲醛; 聚戊二醇缩甲醛
🧩 词语组成解析
formal
['fɔ:məl]
adj. （学校教育或培训）正规的;方式上的;礼仪上的;
n. <美>须穿礼服的社交集会;<口>夜礼服;
🗣️ 情景例句
Does this make me look fat?
我穿这件显胖吗？
They who cannot do as they would,must do as they can.
不能如愿而行，也须尽力而为。
Mr and Mrs Shute were very sad. But what could they do?
舒特先生和夫人非常难过。但他们有什么办法呢？