Hexamethylene formal
[化] 甲醛缩己二醇
🧩 词语组成解析
n. [化]环己
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
When you read, read as loudly as possible, as clearly as possible and as quickly as possible.
当你读的时候，要尽量大声、尽量清晰和尽量快速。
How rude!
真没礼貌！
Boxing matches were very popular in England two hundred years ago.
两百年前，拳击比赛在英国非常盛行。