Polyquinoxaline
[化] 聚喹喔啉
🗣️ 情景例句
They're open until nine o'clock.
他们开到九点。
Would you mind not spitting everywhere?
不要随地吐痰行吗？
The path led to a tiny village perched on the steep sides of a mountain.
顺着小路，我们来到一个座落在陡峭山坡上的小村庄。