substance
noun uk/ˈsʌb.stəns/ us/ˈsʌb.stəns/
(MATERIAL)
B2 [ C or U ]物质;材料
material with particular physical characteristics
an organic/chemical substance 有机／化学物质
What sort of substance could withstand those temperatures? 哪种物质能够承受那样的温度？
illegal substanceformal 毒品
an illegal drug
- More examples
- a natural substance
- This substance is so radioactive that it glows in the dark.
- This substance stretches to any shape you want.
- Rubber is a flexible substance.
- Two days after he'd been exposed to the substance, a painful rash erupted on his neck.
(IMPORTANCE)
C2 [ U ]（某人）所说（或所写）的最重要的部分，要点
the most important part of what someone has said or written
Later that year, the substance of their secret conversation appeared in a newspaper article. 那年稍后，他们这次秘密谈话的要点出现在报纸上的一篇文章中。
[ U ]重要性；要旨；实质；根据
importance, seriousness, or relationship to real facts
There is no substance in/to the allegation. 这项指控毫无根据。
This new information gives substance to the stories we have heard. 这条新信息为我们听到的情况提供了根据。