Polyacetylene
聚乙炔
🗣️ 情景例句
I used to be that way when I was her age.
我像她这般年纪也是这样。
They're building a new house up the street from me.
我上面的那条街正在造一幢新房子。
Several people complained of cat-like noises' at night and a businessman on a fishing trip saw the puma up a tree.
有人抱怨说夜里听见“像猫一样的叫声”；一位商人去钓鱼，看见那只美洲狮在树上。