Definition: intended to be used only once and then thrown away Level: C2
我为这次旅行买了一次性相机。
I bought a ___disposable camera for the trip.
一次性餐具对环境的影响很大。
The environmental impact of ___disposable utensils is significant.
许多医院使用一次性手套来预防感染。
Many hospitals use ___disposable gloves to prevent infections.
