substance 的中文翻译

音标: [ˈsʌbstəns]

n.

物质, 实质, 主旨



Substance

n.

物质，物

substance 的英文句子和中文句子

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


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


An enzyme that promotes the passage of a substance across a cell membrane.

透性酶激活另一种物质穿透细胞膜的一种酶


The phenomenon whereby a viscous substance solidifies under pressure.

膨胀凝固性一种粘性物质在压力下变成凝固的现象


Being a substance that is required for normal functioning but does not need to be included in the diet because of the body's ability to synthesize it from other nutrients.

（氨基酸）非必需的是正常的运转所需要的物质的，但因为机体有从其它营养成分合成它的能力，因此不需要被包括在日常的食物中的


Chlorophyll is a green substance in plants that absorbs energy from sunlight and helps them grow.

叶绿素是生长在植物中的绿色物质，它能吸收阳光，促进植物生长。


This substance is soluble in alcohol.

这种物质能够溶解在酒精中。


A chemical substance used to destroy or inhibit the growth of plants, especially weeds.

灭草剂用来摧毁或抑制植物，尤指杂草的生长的化学物质


A stream of particles or electromagnetic waves emitted by the atoms and molecules of a radioactive substance as a result of nuclear decay.

核衰变产生的微粒或电磁波放射物的原子或分子由于核衰变放出的一束微粒或电磁波


A hypothetical substance formerly thought to be a volatile constituent of all combustible substances released as flame in combustion.

燃素，热素原来假设的在所有燃烧物质中挥发性的一种物质成分，在燃烧中作为火焰而被释放出来