取代 qǔdài HSK7 replace Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: substitution All meanings 8 qǔdài 8 replace 7substitution 1 1 sentence for 取代 (qǔdài — substitution) 苯环上的氢原子可以发生取代反应。 běnhuán shàng de qīngyuánzǐ kěyǐ fāshēng qǔdài fǎnyìng. Hydrogen atoms on the benzene ring can undergo substitution reactions. Source: Dong Chinese Dictionary