substance
英['sʌbstəns]
美['sʌbstəns]
- 物质; 实质; 大意, 要旨; 根据, 理由
词态变化
复数: substances;
双语例句
- 1. This substance has now been cloned by molecular biologists.
- 该物质现在已被分子生物学家克隆。
- 2. Syria will attend only if the negotiations deal with issues of substance.
- 只有在谈判涉及重大问题时叙利亚才会参加。
- 3. There is no substance in any of these allegations.
- 这些指控都毫无根据。
- 4. It's questionable whether anything of substance has been achieved.
- 是否已经取得了任何实质性进展还是个问题。
- 5. A pH test measures the acidity or alkalinity of a substance.
- pH值测试可检测物质的酸碱度。