Rauvolfia
[醫]蘿芙木，蘿芙藤
??? 情景例句
I keep thinking about the dog -- about Gemma,
我一直在想那只狗 Gemma，
It is better to wear out than to rust out.
與其銹掉，不如用壞。
But which language is the most widely spoken in the world?
但是世界上哪種語言運用最廣泛？