单词学习：absentmindedness 名词
absentmindedness
/ˌæbsəntˈmaɪndɪdnəs/
心不在焉，健忘
Due to his absentmindedness, Mr. Gu forgot his keys in the classroom again.
由于心不在焉，顾老师又把钥匙忘在教室里了。
单词卡片
卡片已就绪
