Directivities
(directivity 的复数) [计] 指向性, 方向性
🗣️ 情景例句
Governments wage a constant war against counterfeiting.
政府掀起持久的打假活动。
If you lie upon roses when young, you'll lie upon thorns when old.
年青时躺在玫瑰上，老年时就会躺在荆棘上。
We should not only know the theory but also how to apply it to practice.
我们不仅要知道理论，还要知道怎样把理论应用于实践。