Ulcers
n. 溃疡, 疡（ulcer的复数）
🗣️ 情景例句
They're both students of the performing arts.
他们两个都是的搞表演艺术的学生。
Can I take a rain check?
你能改天再请我吗？
He was in car number fifteen.Five other cars were just behind him.
他在第15号车里，其他5辆汽车跟在他后面。