Retrorsine
[化] 倒千里光碱\\n[医] 惹卓硷(制自千里光属植物Senecio retrorsus)
🗣️ 情景例句
You may be offered coffee, and then you should immediately announce the reason for your visit.
他们会给你冲咖啡，然后你应该尽快说明来意。
I just don't know what to say.
我就是不知道说什么。
Is this a pen?
这是一支钢笔吗？