They sat in a semi-open-air coffee shop, where he self-consciously ordered a Tiger beer and she shifted uncomfortably on the backless plasticstool with a round hole in the center of its seat.
在半室外的咖啡厅，他下意识的点了一杯老虎啤酒而她则很不舒服地坐在没有靠背，中间还有一个洞的凳子上。
2
The stool had a torn, red plastic seat.
这条无靠背凳子有一个破了的、红色的塑料坐部。
《柯林斯英汉双解大词典》
3
Scientists found nine different kinds of plastic in the stool samples, according to the study.