苏氨酸 sū ān suān

DEFINITIONS

  1. threonine (Thr), an essential amino acid

CHARACTERS

苏 sū
HSK 6
revive, resurrect; a species of thyme; transliteration of 'Soviet'
氨 ān ammonia; hydrogen nitride
酸 suān
HSK 4
tart, sour; acid; stiff; spoiled