质的 的中文句子和英文句子

录音设备上的一种装置，它能精确地把重放磁头或组合磁头调准到记录介质的磁道上。

On dictation equipment, a device for accurate alignment of playback head, or combined head, to the track on the recording medium.


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.


这家商号是优质的保证.

The firm is a byword for excellence.


物理学家们正在研究对环境危害少的发电新方法，与此同时，许多发电厂也在实现现代化以减少污染物质的释放量。

Physicists are studying new ways of generating electricity with less damage to the environment. In the meantime, many power plants are being modernized to give off less polluting material.


这列载着恐怖分子和人质的火车，停在一个空旷地带对面200码外的地方。双方准备进行长时间的心理战。

The railways carriages containing terrorists and hostages were two hundred yards away across an open field. Both sides prepared for a long drawn-out battle of nerves.


对於素食者来说, 豆类食物是蛋白质的理想来源.

Pulses are a good source of protein for vegetarians.


药厂用于生产药品和化学物质的地方

A place where drugs and chemicals are manufactured.


所以真珠质的厚度就像脸上化妆品，不久就会磨薄了。

As a result, nacre thickness is sometimes just a cosmetic layer that can wear thin over time.


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.


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.