substance

n. 物質、實質、主旨、資產、本質、牢固

學術名詞

• 物質：化學術語、物理學、計量學、電機工程、食品科技、核能
• 材料：電機工程、電力工程
• 實質：資訊

英文釋義

1. the real physical matter of which a person or thing consists
2. the choicest or most essential or most vital part of some idea or experience
3. the idea that is intended
4. material of a particular kind or constitution