Directivity
[计] 指向性, 方向性
🗣️ 情景例句
You mean you never do anything yourself?
你意思是你自己不做任何事？
Hi, Joe!
嗨，乔！
They were still neck and neck! But the other runners were not far behind.
他们仍在肩并肩地跑！但是，其他运动员也距离他们不远。