adj.线的,线状的,像线的,纤维性的
In an embarrassing climb-down, the Home Secretary lifted the deportation threat.
内务大臣尴尬地作出让步，解除了将其驱逐出境的威胁。
I think your concern is misplaced. Ackroyd is no threat to anyone.
我认为你多虑了，阿克罗伊德不会对任何人构成威胁。
A third of Africa is under threat of desertification.
非洲有三分之一的土地面临荒漠化的威胁。