学习没有废话，上干货
1、droppings [ˈdrɑːpɪŋz] :
（鸟、小动物的）粪
the solid waste matter of birds and animals (usually small animals)
例句：
Droppings are the faeces of birds and small animals.
2、dung [dʌŋ]：
（尤指大型动物，如牛、马等的）粪
solid waste from animals, especially from large ones
例句：
Dung is used as manure.
粪被用做肥料。
Rotten wood cannot be carved, nor a wall of dried dung be trowelled.
朽木不可雕也，粪土之墙不可圬也。（《论语》）
3、faeces（feces） [ˈfiːsiːz] ：
(formal) 粪便，正式表达，人与动物皆可
solid waste material that leaves the body through the anus
同义词：excrement [ˈekskrɪmənt]
例句：
You should avoid coming into contact with cat litter, or animal faeces.
您应该避免未来接触到猫砂，或动物的粪便。
4、muck [mʌk] ：
（牲畜的）粪便，粪肥（manure）
waste matter from farm animals
习语：where there's muck there's brass
(BrE, saying) 哪儿活脏哪儿有钱赚
used to say that a business activity that is unpleasant or dirty can bring in a lot of money
5、manure [məˈnʊr] ：主要指粪肥，可动可名
6、earwax[ˈɪrwæks]：耳屎
7、booger [ˈbʊɡər]：鼻屎
8、sleep/ eye discharge：眼屎（没有专有名词）
discharge可以描述人体的各种分泌物，万能油
