石英 (shí yīng) — quartz (mineral)

Definizione

Esempi

• 这块石英手表走得很准。
  Zhè kuài shí yīng shǒu biǎo zǒu dé hěn zhǔn.
  This quartz watch keeps very accurate time.
• 石英是一种很常见的矿物。
  shí yīng Shì yì zhǒng hěn cháng jiàn de kuàng wù.
  Quartz is a very common mineral.
• 实验室用石英来制作精密仪器。
  Shí yàn shì yòng shí yīng lái zhì zuò jīng mì yí qì.
  Laboratories use quartz to make precision instruments.