Directed line
[计] 有向线, 定向线, 直线
🧩 词语组成解析
directed
[[di'rektid]]
a. 定向的；经指导的；被控制的
line
[laɪn]
n. 线条;排;行列;界线;
vt. 排队;用线标出;沿…排列成行;给…安衬里;
vi. 形成一层;排队;击出平直球;
🗣️ 情景例句
The policemen could not cope with the crowds.
警察不能对付群众。
Is the coastal plain good for farming?
沿海的平原对耕作有好处吗？
Snakes did not acquire their poison for use against man but for use against prey such as rats and mice, and the effects on these of viperine poison is almost immediate.
因为蛇有毒液不是用来对付人的，而是对付它的猎物，诸如鼠类，毒液对这些猎物会立刻起作用。