盐酸 (yán suān) — hydrochloric acid

Definizione

Esempi

• 实验室里有很多盐酸。
  Shí yàn shì lǐ yǒu hěn duō yán suān.
  There is a lot of hydrochloric acid in the lab.
• 这种盐酸的浓度很高，使用时要小心。
  Zhè zhǒng yán suān de nóng dù hěn gāo, shǐ yòng shí yào xiǎo xīn.
  The concentration of this hydrochloric acid is very high, be careful when using it.
• 他们用盐酸来清洗金属表面。
  Tā men yòng yán suān lái qīng xǐ jīn shǔ biǎo miàn.
  They use hydrochloric acid to clean metal surfaces.