单词学习：sophistication 名词
sophistication
/səˌfɪstɪˈkeɪʃn/
n. 世故，老练；复杂精密，高级；有教养
The sophistication of his teaching methods impressed all the students, including Gu Laoshi.
他教学方法的精妙复杂给所有学生留下了深刻印象，包括顾老师。
单词卡片
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