单词学习：validation 名词
validation
/ˌvælɪˈdeɪʃn/
验证；确认；批准；使生效
The positive feedback from the students served as a strong validation of Mr. Gu's innovative teaching methods.
学生们的积极反馈是对顾老师创新教学方法的充分肯定。
单词卡片
卡片已就绪
