单词学习：yelp 动词/名词
yelp
/jelp/
（因疼痛、惊讶、兴奋等）尖叫；短促而尖锐的叫声
When the puppy stepped on a thorn, it let out a sharp yelp, and 顾老师 immediately rushed over to comfort it.
当小狗踩到一根刺时，它发出一声尖锐的尖叫，顾老师立刻冲过去安慰它。
单词卡片
卡片已就绪
