intermittent

形容词 intermittent:

1. stopping and starting at irregular intervals
2. stopping and starting at regular intervals

1. Any of a series of intermittent occurrences characterized by a brief, sudden change in a quantity.
   一连串的持续跳动以数量短促而突然的变化为特征的一系列间歇性出现
2. He has intermittent bursts of interest.
   他的兴趣是一阵阵的。
3. They saw the intermittent flashes from a lighthouse.
   他们看见了灯塔发出一闪一灭的光。

in.ter.mit.tent

adj.（形容词）
Stopping and starting at intervals.See Synonyms at periodic
断断续续的：间隔停歇和启动参见 periodic
Alternately containing and empty of water:
间歇的：交替蓄水及无水的：
例句：
an intermittent lake.
交替蓄水池

【引伸】
in.termit.tence
n.（名词）
in.termit.tently
adv.（副词）