单词学习：jam 名词/动词
jam
/dʒæm/
果酱；拥挤，堵塞；困境；即兴演奏
Gu Laoshi spread some strawberry jam on his toast during the breakfast meeting.
顾老师在早餐会议上往他的吐司上涂了一些草莓酱。
单词卡片
卡片已就绪
