Sectroid
穹稜间曲面
🗣️ 情景例句
You forgot to ask me for the change.
你忘了问我要找回零钱。
To know one's self is true progress.
能有自知之明就是真正的进步。
It was upon this principle that the first instruments were made,
据这一原理，制造出了最初的地震仪器，