burlap + noun
burlap 可直接放在名词前作定语，如 burlap sack（粗麻布袋）、burlap bag（粗麻布包）。
先理解核心含义，再看它在真实句子里的用法。
粗麻布
coarse jute fabric
The farmer used burlap sacks to store potatoes.
农民用粗麻布袋储存土豆。
用法提示：burlap 在此为名词，作定语修饰 sacks，指粗麻布。
She wrapped the gift in burlap and tied it with twine.
她用粗麻布把礼物包起来，再用细绳系好。
用法提示：burlap 作介词 in 的宾语，表示粗麻布这种材料。
The sculpture was covered with a large piece of burlap to protect it from dust.
雕像盖着一大块粗麻布以防灰尘。
用法提示：burlap 为不可数名词，这里指粗麻布布料。
burlap 可直接放在名词前作定语，如 burlap sack（粗麻布袋）、burlap bag（粗麻布包）。
They packed the dishes in burlap sacks.
他们把盘子装在粗麻布袋里。
表达“由粗麻布制成”时，常用 be made of burlap。
The bag is made of burlap.
这个袋子是粗麻布做的。
burlap 通常作不可数名词；表示数量时用 a roll/piece of burlap。
She bought a roll of burlap for the garden.
她买了一卷粗麻布用于花园。
英式英语常用，美式英语一般说 burlap；地域色彩明显，其他情况下含义相同，且多为不可数名词。
常见于商业、运输和包装语境；与 burlap 相比，gunny 更强调“麻袋/袋布”，用于服装或手工语境时较生硬。
除布料外还带“忏悔、哀悼”的比喻义，现代日常指包装用粗布时不如 burlap 自然。
突出“用来做袋子”的用途，偏工业、采购的文体，日常口语出现频率较低。
grammar · medium
易错句子He bought a burlap to wrap the package.
正确表达He bought some burlap to wrap the package.
burlap 是不可数名词（材料名词），表示“粗麻布”时前面不能直接加 a。要表达“一块粗麻布”可用 a piece of burlap；表达“一些”用 some burlap。
grammar · medium
易错句子She put the gift in a burlap's bag.
正确表达She put the gift in a burlap bag.
burlap 放在名词前作定语时，应直接使用名词修饰语（noun adjunct），不加所有格 's。burlap bag 表示“麻布袋”，这是自然的搭配。
grammar · medium
易错句子This bag is burlap.
正确表达This bag is made of burlap.
英语中表示某物由什么材料制成时，不能直接用材料名词作表语，而要用 be made of + 材料。'This bag is burlap' 听起来像是说“这个袋子是粗麻布”，不表达“由粗麻布制成的”。
burlap 指黄麻织成的粗麻布，多用于麻袋、包装；canvas 指较厚实的帆布，常用于帐篷、画布、鞋面。两者不能互换。
burlap 是粗麻布成品；jute 是制作这种布的植物纤维，表示材料而不是布料。
burlap 是粗麻布；burl 是树干上的坚硬瘤状物。两者只因拼写前部相同而容易混淆，所指事物完全不同。
粗麻袋
We packed the onions in a burlap bag.
我们把洋葱装进一个粗麻袋里。
粗麻布
She sewed curtains from burlap fabric.
她用粗麻布缝了窗帘。
粗麻缎带
The gift was tied with a burlap ribbon.
礼物用一条粗麻缎带系着。
粗麻布包裹
The tree's roots were protected with a burlap wrap.
树根用粗麻布包裹保护着。
Dictionary facts from ECDICT, WIKTIONARY.