氢氟酸

氫氟酸

qīngfúsuān

noun #29,332

Meanings

1 hydrofluoric acid (HF)

Characters

hydrogen (chemical element)

fluorine (chemical element)

acid; sour; aching

Examples

HSK 7-9

氢氟酸是一种极其危险的腐蚀性酸，接触皮肤会造成严重伤害。

Qīngfúsuān shì yī zhǒng jíqí wēixiǎn de fǔshíxìng suān, jiēchù pífū huì zàochéng yánzhòng shānghài.

Hydrofluoric acid is an extremely dangerous corrosive acid that can cause severe injury upon skin contact.

HSK 7-9

玻璃蚀刻工艺中使用稀释的氢氟酸。

Bōlí shíkè gōngyì zhōng shǐyòng xīshì de qīngfúsuān.

Diluted hydrofluoric acid is used in glass etching processes.

Tips

memory

氢 = hydrogen (氢气, H2), 氟 = fluorine, 酸 = acid. The characters spell out the chemical composition: hydrogen + fluorine + acid = HF = hydrofluoric acid.

Stroke Order

氢 qīng

氟 fú

酸 suān