Dendrobine
石斛碱
🗣️ 情景例句
if it's all right with your dad.
假如你爸爸答应的话。
What's your favorite kind of animal?
你最喜欢的动物是什么？
Jeremy Hampden has a large circle of friends and if very popular at parties.
杰里米。汉普登交际甚广，是各种聚会上深受大家欢迎的人。