质的 的中文句子和英文句子

自那时起，从埃及的木乃伊头发到石器时代的檀香木等有机物质的年代都已被确定。

Since then, organic materials ranging from Egyptian mummy hair to Stone Age sandals have been dated.


睡觉前，她穿上丝质的睡衣。

She put on her silken gown before going to bed.


把容易变质的食物冷藏起来.

Keep perishable foods under refrigeration.


废物利用从无用的东西中获取有用物质的行为

The act of obtaining usable substances from unusable sources.


幻影，幽灵明显可见但没有物质的实体；幻影或幽灵

Something apparently seen but having no physical reality; a phantom or an apparition.


胞质皱缩通过渗透作用由于缺水引起的活植细胞或细菌的细胞质的皱缩或收缩，并与细胞壁分离

Shrinkage or contraction of the protoplasm away from the wall of a living plant or bacterial cell, caused by loss of water through osmosis.


过敏是身体对某些物质的不良反应。

An allergy is an adverse reaction of the body to certain substances.


（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

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.


神经核一组专门的神经细胞或存在于大脑或脊髓中灰物质的局部块

A group of specialized nerve cells or a localized mass of gray matter in the brain or spinal cord.


这家商号是优质的保证.

The firm is a byword for excellence.