单词学习：umbrella 名词 (日常用品/物体)
umbrella
/ʌmˈbrelə/
雨伞；伞；保护伞；总体框架
Mr. Gu always carries an umbrella in his bag, as he says the weather in this city is unpredictable.
顾老师总是在包里带一把雨伞，他说这个城市的天气变幻莫测。
单词卡片
卡片已就绪
