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
His house is in the village though;
虽然他的屋子是在村子
Our standardized packing has been approved by many foreign clients.
许多国外客户已经认可了我们标准化的包装。
This clause will have to be changed.
这一条必须更改。