Pyralin
玻璃增强聚酰亚胺
🗣️ 情景例句
Smoking sucks!
吸烟太糟了。
He received full credit for his studies at a previous school.
他在一所先前的学校取得了所有课程的学分。
Once a year, a race is held for old cars.
旧式汽车的比赛每年举行一次。