frequentadj.频繁的;经常的vt.常到;常去
frequent from从 ... 捞出 ...
frequent path频繁路径
frequentativeadj.表示反覆的n.反覆动词;反覆形;反覆相
frequent tree频繁子树
frequent part频发部位
frequent look经常的表情
frequent item频繁项
frequent term常用词
Frequent trip频繁跳闸
frequent sets频集