化学成分huàxuéchéngfènTop 40000Meanings1. chemical compositionCharacters used化to change学to study成to succeed分to divideExamples1把bǎ水shuǐ加热jiārè不bù改变gǎibiàn它tā的de化学成分huàxuéchéngfèn。Heating water does not change its chemical composition.