persistent
/pəˈsɪstənt/adjective
1
- continuing firmly or obstinately in a course of action in spite of difficulty or opposition坚持不懈的; 执意的：
one of the government's most persistent critics.
一个最执着的政府批评者
an attempt to stop persistent drink-drivers.
制止顽固的酒后驾车者的努力。
2
- continuing to exist or endure over a prolonged period持续的, 持久的：
persistent rain will affect many areas.
连绵阴雨会影响许多地区。
2.1
- occurring repeatedly over a prolonged period不断的, 连续长时间发生的：
persistent reports of human rights abuses by the military.
关于军队侵犯人权的接连不断的报告。
2.2
- (of a chemical or radioactivity) remaining within the environment for a long time after its introduction（化学品, 放射性）作用持久的, 挥发慢的：
PCBs are persistent environmental contaminants.
多氯联苯是持久的环境污染物。
3
- Botany & Zoology (of a part of an animal or plant, such as a horn, leaf, etc.) remaining attached instead of falling off in the normal manner【植, 动】（动植物某部位, 如角、叶等）宿存的, 不落的。
派生词