单词学习：arch 名词/形容词/动词
arch
/ɑːrtʃ/
拱门；拱形结构；主要的；狡猾的；淘气的
The students admired the beautiful arch in the old library where Professor Gu was giving a lecture.
学生们欣赏着老图书馆里美丽的拱门，顾老师正在那里讲课。
单词卡片
卡片已就绪
