Culdoscope
[医]陷凹镜, 后穹窿镜
🗣️ 情景例句
Rome wasn't built in a day.
罗马不是一天建成的。
What's up?
最近有什么好事吗？
Take a deep breath and I'll time you. But don't drown!
深吸一口气，我来给你计时。但别淹着！