Culdoscope
[医]陷凹镜, 后穹窿镜
🗣️ 情景例句
When would you be available to start work here?
你什么时候可以开始来这边上班？
Sorry to have kept you waiting.
抱歉使你久等了。
Stone does not decay,
石头是不会腐烂的。