单词学习：recoil 动词 (Verb)
recoil
/rɪˈkɔɪl/
（因恐惧、厌恶或震惊而）退缩，畏缩；（枪炮等）后坐，反冲；产生反作用，带来不良后果
Many students recoil in surprise when 顾老师 suddenly raises his voice during an intense lecture.
当顾老师在激烈的讲座中突然提高音量时，许多学生都惊讶地退缩了。
单词卡片
卡片已就绪
