/ˈfriːkwənt/1
- occurring or done on many occasions, in many cases, or in quick succession频繁的, 时常发生的：
frequent changes in policy
政策的频繁变化
the showers will become heavier and more frequent.
阵雨将会更大更频繁。
1.1
- attrib.(of a person) doing something often; habitual（人）经常做某事的; 惯常的：
a frequent visitor to Scotland.
常去苏格兰的人。
1.2
- archaic found at short distances apart〈古〉间隔很近的：
walls flanked by frequent square towers.
一侧有多个间隔很近的方形塔台的城墙。
1.3
- Medicine, dated (of the pulse) rapid【医】〈旧〉（脉搏）快的, 急的。
/frɪˈkwent/
with obj.
- visit (a place) often or habitually常到; 常出入于：
pubs frequented by soldiers
士兵经常光顾的小酒馆
as adj., with submodifier (frequented) one of the most frequented sites.人们最常去的场所之一。
派生词
frequentation
nounfrequenter
nounfrequently
adverb词源
late Middle English （in the sense 'profuse, ample'）： from French, or from Latin frequens， frequent- 'crowded, frequent', of unknown ultimate origin.