a puddle of barf
barf 作名词时通常不可数，需借助 a puddle of、a pool of 等量词短语来表示“一摊、一滩呕吐物”。
He slipped on a puddle of barf outside the pub.
他在酒馆外踩到一摊呕吐物滑倒了。
呕吐物
the matter ejected in vomiting
There was barf all over the floor after the party.
派对后地板上到处都是呕吐物。
用法提示：名词，指呕吐物
The smell of barf made me feel sick.
呕吐物的气味让我感到恶心。
用法提示：名词，指呕吐物
He wiped the barf off his shirt.
他擦掉了衬衫上的呕吐物。
用法提示：名词，指呕吐物
barf 作名词时通常不可数，需借助 a puddle of、a pool of 等量词短语来表示“一摊、一滩呕吐物”。
He slipped on a puddle of barf outside the pub.
他在酒馆外踩到一摊呕吐物滑倒了。
用 be covered in 或 be covered with 表示表面沾满了呕吐物。
The baby's shirt was covered in barf.
宝宝的衣服上全是呕吐物。
smell of 后接名词，表示散发出某种气味；此处语气比较口语、直白。
The whole car smelled of barf.
整个车里都有一股呕吐物的味道。
grammar · medium
易错句子I stepped in a barf on the sidewalk.
正确表达I stepped in some barf on the sidewalk.
barf 作名词表示“呕吐物”时是不可数名词，不能与不定冠词 a 连用；表示不确定的数量要用 some 或省略冠词。
grammar · medium
易错句子The cleaner wiped up three barfs in the hallway.
正确表达The cleaner wiped up three piles of barf in the hallway.
barf 表示“呕吐物”时没有复数形式，不能直接加 -s 来计数；要表示多份，需用量词短语如 piles of / patches of。
noun (barf + bag)
noun (barf + bucket)
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