n. 急速, 迅速, 速度

Quickness \Quick"ness\, n.
1. The condition or quality of being quick or living; life.
[Obs.]

Touch it with thy celestial quickness. --Herbert.

2. Activity; briskness; especially, rapidity of motion;
speed; celerity; as, quickness of wit.

This deed . . . must send thee hence
With fiery quickness. --Shak.

His mind had, indeed, great quickness and vigor. --
Macaulay.

3. Acuteness of perception; keen sensibility.

Would not quickness of sensation be an inconvenience
to an animal that must lie still ? --Locke

4. Sharpness; pungency of taste. --Mortimer.

Syn: Velocity; celerity; rapidity; speed; haste; expedition;
promptness; dispatch; swiftness; nimbleness; fleetness;
agility; briskness; liveliness; readiness; sagacity;
shrewdness; shrewdness; sharpness; keenness.