excrement

n.

排泄物（粪便）；屎；矢；

human excrement人类排泄物

1. My main role was to analyse human excrement.
   我的主要任务是分析人体排泄物。
2. Fish excrement could solve a decades-old ocean mystery.
   鱼的排泄物也许能解开海洋数十年来的秘密。
3. The pavement was covered with dogs' excrement.
   便道上满是狗屎。

Excrement disposal device
Excrement analysis by PCR.
Excrement analysis by PCR [4]
Excrement distribution and habitat use in Rhinopithecus bieti in winter
Can Excrement and Feathers of Nestling Songbirds Be Used as Biomonitors for Heavy Metal Pollution?
Effect of Source and Condition of Animal Excrement on Attractiveness to Adults of Ceratitis capitata (Diptera: Tephritidae)
Determination and analysis on main harmful composition in excrement of scale livestock and poultry feedlots
Biological and ecological Investigations on Flies associated with pasturing Cattle and their Excrement.
Effects of activated sludge properties on water flux of ultrafiltration membrane used for human excrement treatment
Enzyme‐Linked Immunosorbent Assay for Determination of Major Excrement Allergens of House Dust Mite Species D. pteronyssinus, D. fa...