|
A substance added to another in relatively small amounts to impart or improve desirable properties or suppress undesirable properties.
|
|
|
中义少量的物质加入其他物质中以加强或抑制所要的特性。 |
|
A substance believed to maintain life indefinitely.
|
|
|
长生不老药被认为可以使生命无限的物质 |
|
A substance composed chiefly of the dung of sea birds or bats, accumulated along certain coastal areas or in caves and used as fertilizer.
|
|
|
鸟粪一种主要由海鸟或蝙蝠的排泄物构成的物质，在某些海岸或山洞中不断积累，用做肥料 |
|
A substance containing chemical agents or abrasive particles and applied to smooth or shine a surface.
|
|
|
上光剂；擦亮剂含有化学媒质或粗糙微粒的一种物质，被用来打光或擦亮一个表面 |
|
A substance formed as a necessary stage in the manufacture of a desired end product.
|
|
|
中间产物在生产预计的最终产品的必需阶段中形成的物质 |
|
A substance or an agent that causes two or more objects or parts to cohere.
|
|
|
黏合剂使两个或多个对象或部分连结起来的物品或媒介 |
|
A substance similar to that found in the cough syrups is found in hot red pepper. Use red (cayenne) pepper with caution - it can irritate your tummy.
|
|
|
它含有类似于咳嗽药水的物质。但要小心使用，因为它会刺激胃部引起不适。 |
|
A substance that destroys or inhibits the metabolic action of a vitamin.
|
|
|
抗维生素一种破坏或抑制维生素的新陈代谢功能的物质 |
|
A substance that has been scorched, burned, or reduced to charcoal.
|
|
|
烧焦物被烤焦、烧焦或烧成木炭的物质 |
|
A substance that prevents the clotting of blood.
|
|
|
抗凝血剂防止血液凝结的物质 |
|
A substance that retards or arrests a chemical reaction.
|
|
|
反催化剂延缓或阻碍化学反应的物质 |
