Ciphergraph
[计] 密码技术
🗣️ 情景例句
Sure. Can you give me fifty dollars in small bills, please, and ten dollars in change?
好的。你可以帮我把50块钱换成小钞，10块换成零钱吗？
If you lose your way, ask a policeman.
如果你迷路了，可以向警察打听。
Are you in Row 4?
你是在第四排吗？