Polydecamethylene formal
[化] 聚亚癸基甲醛
🧩 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
She always talks to me as though she were my sister.
她总是以我妹妹的口气跟我说话。
Better luck next time.
下次好运吧！
has spent his lifetime studying active volcanoes and deep caves in all parts of the world.
花了毕生的精力来研究世界各地的活火山和探洞。