Monophyly
单系
🗣️ 情景例句
so we can get an early start.
这样我们可以早点出发。
Step after step the ladder is ascended.
按部就班，循序渐进。
Please get those things off, sir, and throw them into the fire.
请把您身上那些东西脱下来吧，先生，把它们仍到火里去。