Chemoanalytic
化学分析的
🗣️ 情景例句
You've been very thoughtful.
你一直都很周到。
To know one's self is true progress.
能有自知之明就是真正的进步。
Good morning. I am. Everyone is here. No one is away.
早上好。我值日。大家都来了。没有人缺席。