Polydivinyl acetylene
[化] 聚二乙烯乙炔; 聚二乙烯基乙炔
🧩 词语组成解析
n. 乙炔, 电石气\\n[化] 乙炔; 双亚乙基
🗣️ 情景例句
A young male may be addressed as 'young man'.
一个年轻的男性可以被称作 'young man' 。
Where there is life,there is hope.
生命不息，希望长在。
Even more processes are never patented at all but kept as secret processes.
更多的工艺过程根本就不会取得专利权，而是作为秘方保存着。