quartz

英 [kwɔːts]

美 [kwɔːrts]

n.  石英

CET6考研TOEFLIELTSTEM8化学

BNC.13134 / COCA.16587

牛津词典

noun

• 石英
  a hard mineral, often in crystal form, that is used to make very accurate clocks and watches

柯林斯词典

• N-UNCOUNT 石英
  Quartzis a mineral in the form of a hard, shiny crystal. It is used in making electronic equipment and very accurate watches and clocks.
  1. ...a quartz crystal.
     石英晶体

英英释义

noun

• a hard glossy mineral consisting of silicon dioxide in crystal form
• colorless glass made of almost pure silica
  Synonym:quartz glassvitreous silicalechatelieritecrystal

双语例句

• A mill for stamping quartz.
  一个冲压石英对它进行加工的工厂。
• Today, quartz crystal clocks are generally used on the seismograph stations.
  目前，地震台站一般采用石英晶体钟。
• Quartz timepieces are very accurate, to a minute or two per year.
  石英钟表走时非常准，年误差仅为一两分钟。
• Ornaments such as rings, some slotted, were also made from quartz and other suitable stones.
  这时期也发现用石英和其他适用的石料制成的饰物，例如大小不一的石环和石玦；
• They are mainly composed of diopside, calcite and quartz.
  矿石主要由透辉石、方解石和石英等组成。
• Locally dolomite and anhydrite are important as cements, together with minor authigenic quartz.
  在局部地方白云石和硬石膏也是重要的胶结物；还有少量自生石英。
• The quartz tube inserted into the furnace that becomes the process chamber for diffusion and oxidation.
  插入到炉子中的石英管，作为扩散和氧化的处理腔。
• They also visited a quartz crystal cave and a salt crystal cave to study the properties of crystal surfaces.
  他们也用了一个石英晶体岩洞和一个盐制的晶体岩洞来研究晶体表面的特性。
• The prospectors have discovered such minerals as calcite, quartz and asbestos here.
  探矿人员在这里发现了方解石、石英、石棉等矿藏。
• A granitic rock composed of quartz and mica.
  一种由石英和云母构成的花岗石。