pirl
[计]= Pattern Information RetrievaL system,模式信息检索系统
词形变化
pirls
复数
pirls
pirled
pirling
pirls
三单
pirling
现在分词
pirled
过去式
pirled
过去分词
释义与例句
n.
-
1.
A ripple; a twist or curl.
v.
-
1.
To twist or wind, especially into a cord or braid etc.
及物 -
2.
To ripple or swirl, especially of water.
不及物 -
3.
To cause to revolve or spin.
及物
词源
The verb is from the 16th century. Origin uncertain; related to purl, pirn, prill (OED; more at pern, preen). The noun was derived from the verb in the 19th century.
来源:wiktionary