Polytrimethylene formal
[化] 聚亚丙基缩甲醛
🧩 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
It all sounds so easy.
一切听起来竟是如此简单。
You name it. They've got it.
只要你说得出来，他们都有。
My parents were visiting relatives, and my grandparents had decided to spend the day at home.
我父母走亲戚去了，祖父母打算那天在家呆着。