Acetylene polymer
[机] 乙炔聚合物
🧩 词语组成解析
n. 乙炔, 电石气\\n[化] 乙炔; 双亚乙基
🗣️ 情景例句
It's good that you went back.
你回去是对的。
Mugger (no-good boy)
强盗
There's another tiger in the forest.
这林子里还有另外一只老虎。