fleetness
n. 快速；无常
近义词：speed，haste，celerity，speediness，fastness，swiftness，nimbleness，rapidity，
英英释义
Noun
- rapidity of movement;
"fleetness of foot"
例句
用作名词(n.)
- Can realize with the machine match the fleetness print the word.与墨轮机配合可实现快速印字。
- And design that process is verified ultimately by the fact that the fleetness molding technology makes.并且通过快速成型技术使设计过程得到最终验证。
- Thinking of his declining family, he heaves a deep sigh over the fleetness of fate.看到他们家衰败的样子，他不禁喟然长叹命运的无常。