Hetrazan
n. [药]枸橼酸乙胺嗪,海群生,二乙碳酰嗪(抗丝虫病药)
🗣️ 情景例句
You're still thinking about something to do, aren't you?
你还在想要找点事做， 是吗？
First try, and then trust.
试了才能相信。
These days, advertisers not only offer free samples, but free cars, free houses, and free trips round the world as well.
目前，做广告的人不仅提供免费样品，而且还提供免费汽车，免费住房，免费周游世界。