化学物质
[词典] chemical substances;
[例句]化学物质形成了一个抗油污和水渍的保护层。
Chemicals form a protective layer that resists both oil and water-based stains.
化学物质
[词典] chemical substances;
[例句]化学物质形成了一个抗油污和水渍的保护层。
Chemicals form a protective layer that resists both oil and water-based stains.