A very direct or quick route toward a destination.

• A straight, purposeful course.

通往目标的非常直接或快速的路线。

• 笔直而明确的行进路线。

To go straight toward something quickly, ignoring detours.

• To head directly for a place or goal.

迅速直奔某处，避开绕行。

• 直接朝某地或目标前进。

A dynamite fuse with powder along its length for fast, predictable burn.

• A fast-burning blasting fuse of known rate.

沿线填装火药、燃烧速度快且可预估的炸药导火索。

• 以已知速率快速燃烧的爆破导火索。