单词学习：change direction 动词短语
change direction
/tʃeɪndʒ dɪˈrɛkʃən/
改变方向；转变方向
Mr. Gu decided to change direction in his research after the new discovery.
顾老师在新发现后决定改变他的研究方向。
单词卡片
卡片已就绪
