Speculum
n. 金属镜, 反射镜, 扩张器\\n[医] 窥器, 张开器; 透明隔; 翼斑, 翼镜(鸟)
🏥 医学释义
①窥器，张开器 ②窥镜
🗣️ 情景例句
I thought Max would be crying, and everybody would be awake.
我还以为Max会哭个不停， 让大家都睡不着。
It's no use pumping a dry well.
徒劳无益。
I'd like to invite you to dinner before you go. What about Thursday?
我想在你走之前请你吃饭。周四怎么样？