The wet smear of the coffee was over the back and some of the seat, but most of it was on the floor.
咖啡的湿渍沾满了靠背和一些座位, 但大部分都在地板上。
英语百科
Vaginal wet mount
A vaginal wet mount (or vaginal smear or wet prep) is a gynecologic test wherein a sample of vaginal discharge is observed by wet mount microscopy by placing the specimen on a glass slide and mixing with a salt solution. It is used to find the cause of vaginitis and vulvitis.