单词学习：superannuated 形容词
superannuated
/ˌsuːpərˈænjueɪtɪd/
adj. 1. 年老退休的；领养老金过活的 2. 过时的；老式的；陈旧的
The superannuated teaching methods were finally replaced by Mr. Gu's innovative digital classroom.
那些过时的教学方法最终被顾老师创新的数字课堂所取代。
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