Cathinine
[化] 阿茶碱; 阿拉伯茶碱
🗣️ 情景例句
Yeah, Grandpa,
对呀， 爷爷。
Would you like me to get you a cab?
要我替你叫出租汽车吗？
Everybody admires him for his great sense of humour --
人人都钦佩他那绝妙的幽默感 -- 人人，