Septinary
七进制
🗣️ 情景例句
Where's the 'Lost and Found' counter?
失物招领处在哪儿？
I'm playing ping-pong downstairs.
我在楼下打乒乓球。
I have often tried to conceive of what those pages might contain,
我常常试图想像这些纸上所写的东西，