Directed edge
[计] 定向边, 直边, 定向棱
🧩 词语组成解析
directed
[[di'rektid]]
a. 定向的；经指导的；被控制的
edge
[ɛdʒ]
n. 边;优势;（悬崖、峭壁的）边缘，端;锋利，尖锐;
vt. 在…上加边界;使渐进;给（刀刃）磨边，使锋利;修整;
vi. 慢慢向前移动，侧身移动;
🗣️ 情景例句
How much does it weigh?
它多重？
To scratch for fleas
因为跳蚤而抓痒
That's correct.
没错。