Pennone
四甲基-2-戊酮
🗣️ 情景例句
it fits right in with something I'm working on right now
这跟我正在进行的某项小组工作不谋而合
Do you often study history on Saturday?
你常常在星期六学历史吗？
Don't nag me!
别在我面前唠叨！