Polyquinoxaline
[化] 聚喹喔啉
🗣️ 情景例句
I'm afraid I stayed too long.
恐怕我呆得太久了。
Solid packing and overall stuffing can prevent the cases from vibration and jarring.
坚固的木箱和箱内严密的填充可防止木箱受震、开裂。
The third person who lit a match started the fire.
第三个工人擦亮一根火柴就引发了火灾。