Polyethylene malonate
[化] 聚丙二酸亚乙基酯
🧩 词语组成解析
n. 聚乙烯\\n[化] 聚乙烯
丙二酸
🗣️ 情景例句
Dad, growing up means
爸爸， 长大了意味着
What makes life dreary is the want of motive.
没有目的，人生就黯淡无光。
4 Think of a time when you were happiest. What were you doing?
4。想一想你感到最高兴的时刻。当时你在做什么？