Directivity
[计] 指向性, 方向性
🗣️ 情景例句
Did you forget something?
你是否忘了什么东西吗？
We know not what is good until we have lost it.
有的时候不爱惜，失了以后空叹息。
Aunt Harriet could not find words to praise Bessie's industriousness and efficiency.
哈丽特不知该用什么言辞来赞扬贝西的勤奋与高效。