单词学习：jumpy 形容词
jumpy
/ˈdʒʌmpi/
紧张不安的，易受惊吓的
The students became jumpy when 顾老师 announced a surprise quiz.
当顾老师宣布要临时测验时，学生们变得紧张不安。
单词卡片
卡片已就绪
