Culdoscope
[医]陷凹镜, 后穹窿镜
🗣️ 情景例句
Don't jump the gun.
别轻举妄动。
It hurts like hell!
疼死啦！
When the instrument is situated at more than 700 miles from the earthquake centre,
如果把这种仪器安装在距震源700多英里远的地方，