Polyethylene polyamine
[化] 多乙烯多胺
🧩 词语组成解析
n. 聚乙烯\\n[化] 聚乙烯
n. [化]聚胺,多胺
🗣️ 情景例句
The film touched our hearts.
那部影片打动了我们。
Long time no see!
好久不见。
During his lifetime, he acted in 13 films, and he wrote, directed and acted in 69 other films.
他一生演了13部电影，而且自编、自导和自演了另外69部电影。