Monophyly
单系
🗣️ 情景例句
Tell me what you think, yay or nay?
告诉我你究竟是怎样想的，是还是不是？
Never neglect an opportunity for improvement.
抓住大好时机，切莫等闲错过。
I appreciate John's helping in time.
我感谢约翰的及时帮助。