取代

qǔdài

HSK 6

取代 — qǔdài

1. to replace; to supersede; to supplant (take the place of someone or something)

   智能手机逐渐取代了传统的相机。 zhìnéngshǒujī zhújiàn qǔdài le chuántǒng de xiàngjī — Smartphones have gradually replaced traditional cameras.

2. (chemistry) to substitute; substitution (one atom or group in a molecule replaced by another)

   在这个反应中，一个氯原子被取代为溴原子。 zài zhège fǎnyìng zhōng yígè lǜ yuánzi bèi qǔdài wéi xiù yuánzi — In this reaction, a chlorine atom is substituted by a bromine atom.