占据利基

occulting light───玫灯；顿光；明灭相间灯；[水运]明暗光

paying the check───付账

recurring theme───反复出现的主题

occupational therapists───职业理疗师；职业治疗专家；职业临床医学家

occupational therapies───[临床]职业疗法

occupational therapist───职业疗法专家

As a screening tool, Slezak sees the LLMDA as occupying niche roles between PCR machines and sequencing.───作为一种检测工具，Slezak认为LLMDA将会在PCR与基因排序之间占有自己的一席之地。

The fungi are "extremophile" organisms that are rarely encountered in nature. This suggests they have found an evolutionary benefit by occupying a household niche, thriving on warmth and moisture.───这些真菌是“极端微生物”，所以它们在自然界极少被发现。这表明：他们已通过占据一个小家庭生态位，以及温暖和潮湿的环境繁殖找到了一种进化适应方法。

A study in the journal Science shows that bony fish filter-feeders spent 100 million years developing and occupying the niche that baleen whales do now.