Monophylesis
单元发生[论]
🗣️ 情景例句
Isn't it exciting, Grandpa?
真令人兴奋， 是吗， 爷爷？
It is convenient to know the language.
掌握这门语言会带来方便。
I reached out to Annie's hand.
我把手伸向安妮的手。