Sema
abbr. 美国汽车改装用品协会（the Specialty Equipment Market Association）
🗣️ 情景例句
she's still alone, without her family.
她仍是孤单单的，找不到家。
He seems very serious, but in fact he has a delightful sense of humor.
他看上去很严肃，其实很诙谐。
How do you keep in shape?
你怎么保持身材？