单词学习：lean 动词/形容词
lean
/liːn/
倾斜；倚靠；瘦的；贫乏的；精干的
Mr. Gu leaned against the whiteboard to explain the meaning of the word 'lean' to the students.
顾老师倚靠在白板上，向学生们解释单词'lean'的含义。
单词卡片
卡片已就绪
