Speculums
金属镜, 诊视器, 反射镜( speculum的名词复数 )
🗣️ 情景例句
I did my thesis on Sino-American Business Relationship.
我做的论文题目是中美贸易关系。
To advertise cheap food
推销廉价食物
Snow lay thick on the ground.
地上积着厚厚的雪。