Tabernanthine
[化] 马山茶碱
🗣️ 情景例句
We are four in all.
我们家共有四口人。
What would you have done last night if you hadn't had to study?
如果昨晚你不必学习你会做什么？
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。