再加工; 再精制
Retreat \Re*treat"\, v. i. [imp. & p. p. {Retreated}; p. pr. &
vb. n. {Retreating}.]
To make a retreat; to retire from any position or place; to
withdraw; as, the defeated army retreated from the field.
The rapid currents drive Towards the retreating sea
their furious tide. --Milton.
retreating
adj : moving back or away [ant: {advancing}]