单词学习：bulge 名词/动词
bulge
/bʌldʒ/
n. 凸起，膨胀；激增 v. 凸出，膨胀
The bookshelf began to bulge under the weight of all the textbooks that Mr. Gu had collected over the years.
在顾老师多年来收集的所有教科书的重压下，书架开始凸起变形。
单词卡片
卡片已就绪
