Directed line
[計] 有向線, 定向線, 直線
?? 詞語組成解析
directed
[[di'rektid]]
a. 定向的；經指導的；被控制的
line
[la?n]
n. 線條;排;行列;界線;
vt. 排隊;用線標出;沿…排列成行;給…安襯里;
vi. 形成一層;排隊;擊出平直球;
??? 情景例句
You're a big boy.
你是個大孩子了。
I hope you everything will be fine.
我希望你一切順利。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.
某些大公司進行的研究屬于一般和基礎性的研究。因此不保密對他們才有利。