| 词汇 | defecate |
| 释义 | defecate verb[ I ] medical formal or specializeduk /ˈdef.ə.keɪt/ us /ˈdef.ə.keɪt/ to pass the contents of the bowels out of the body排便 Animal physiology: excrement & its excretion accident anal fissure bathroom be caught/taken shortidiom bodily function bowel cowpat dog dirt dunghill excrement excreta excrete go to the bathroomidiom motion movement pass poo poop regular stool As flies are by no means particular in choosing either a place to feed or a place to defecate, often selecting meat or food for the purpose, a somewhat alarming vision of possible consequences is raised. In well developed cases, the animal strains to defecate, and passes shreds of intestinal mucous along with blood-stained feces. The natural instinct to defecate, like many other natural instincts, is usually deadened by failure to exercise it. They always defecate upon the open ground, and will not use privies or latrines This is a matter of religious obligation with them. Underneath the roof is an opening in the earth where the people defecate. defecate | American Dictionarydefecate verb[ I ] us/ˈdef·ɪˌkeɪt/ to excrete the contents of the bowels Examples of defecatedefecate On the other hand, they did not provide any direct evidence that seeds defecated by grit-using birds are intact and viable. Moreover, cats usually defecate at night in sandy soils and bury the faeces. The birds abrade the seed surfaces in the gut, enhancing germination, and then disperse the seeds when they defecate. Cassowaries consume the fruit whole, when ripe, and defecate seeds in piles away from parent trees, where seed predation rates are lower. Faecal samples were obtained from animals that defecated upon handling, and were stored in jars of 10% formalin. Regurgitated seeds that were deposited within trees were more likely to end up in sites suitable for establishment than defecated seeds. Chimpanzees and gorillas are likely effective seed dispersers because individually they defecate large numbers of seeds. This does not rule out their possibility as dispersers, however, as there was no evidence that they did not defecate in trees. From the above results, the primate community was estimated to defecate 1129 seeds km-2 d-1. The vast majority (85.4% or 159 out of 186) of seeds defecated by spider monkeys were deposited >100 m away from parental feeding patches. Each treatment was replicated four times for each species, using 25 seeds (intact fruits, cleaned seeds, defecated seeds) for each replication. Regurgitated seeds were also more frequently found singly or in small groups than defecated seeds. The source of such an increase in contamination is likely to be the birds defecating onto one another, as well as upon the crates. The number of seeds that were found deposited in a group also differed depending on whether seeds had been defecated or regurgitated. Seeds defecated by the latter species showed decreased viability, but the number of seeds tested was small. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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