Definition: a particular type of substance or thing Level: C2
堆肥主要由植物物质组成。
Compost is primarily composed of vegetable ___matter.
图书馆收藏有19世纪的印刷品。
The library has a collection of printed ___matter from the 19th century.
阅读印刷品比从屏幕阅读对眼睛的疲劳更小。
Reading printed ___matter causes less eye strain than reading from a screen.
