Meaning of qǔ dài:
取代
to replace; to supersede; to supplant; (chemistry) substitution
Shǒujī yǐjīng kāishǐ qǔdài xǔduō rén de diànnǎo le.
手机已经开始取代许多人的电脑了。
Smartphones have already started to replace computers for many people.
Xīn jìshù zhèngzài kuàisù de qǔdài chuántǒng fāngfǎ.
新技术正在快速地取代传统方法。
New technology is rapidly superseding traditional methods.
Xīn de jìshù zhèngzài zhújiàn qǔdài jiù de zuòfǎ.
新的技术正在逐渐取代旧的做法。
New technology is gradually supplanting old methods.
Kēxuéjiā zhèngzài yánjiū yòng xīn cáiliào lái qǔdài jiù cáiliào.
科学家正在研究用新材料来取代旧材料。
Scientists are researching using new materials to substitute old materials.