单词学习：spar 动词/名词
spar
/spɑːr/
1. (v.) 练习拳击；争论，争吵 2. (n.) 桅杆；翼梁；晶石
Gu Laoshi often spars with his colleagues to improve his debating skills.
顾老师经常与同事争论以提高他的辩论技巧。
单词卡片
卡片已就绪
