Dimethylxanthine
[医] 二甲黄嘌呤, 可可豆硷
🗣️ 情景例句
People don't ask unmarried people Why are you single?.
人们不会问未婚的人“你为什么不结婚？”。
Victory belongs to the m ost persevering.
胜利属于最坚强不屈的人。
Mr. Smith taught English at a school.
史密斯先生在一所学校教英语。