Maturometer
成熟度计, 成熟度测定仪
🗣️ 情景例句
Let me think.
让我想想。
I've never heard that piece before.Who wrote it?
我从来没听过那乐章，那是谁写的？
They put their hands behind their backs, so you can't see their hands.
他们将手放在背后，这样你就看不见他们的手了。