Grammar Note
roof 作动词时通常及物；过去式和过去分词均为 roofed，现在分词为 roofing。
给…盖屋顶；为…装屋顶
roofing — present participle of roof
先理解核心含义，再看它在真实句子里的用法。
给…盖屋顶；为…装屋顶
To put a roof on a building or other structure.
They roofed the new cabin with cedar shingles last summer.
去年夏天他们用雪松木瓦给新小屋盖了屋顶。
用屋顶覆盖或装饰
To cover or furnish with a roof.
通过行走或攀爬穿越建筑物的屋顶
To traverse buildings by walking or climbing across their roofs.
像在屋顶下那样提供庇护
To shelter as if under a roof.
roof
Base
原形
roofs
3rd person
第三人称单数
roofing
-ing
现在分词
roofed
Past
过去式
roofed
Past participle
过去分词
They roof the house with tiles.
他们用瓦片给房子盖屋顶。
The workers roofed the building last month.
工人们上个月给大楼盖了屋顶。
We have roofed the shed in a day.
我们在一天内给棚子盖好了屋顶。
规则动词：过去式和过去分词均为 roofed，现在分词为 roofing。
The workers are roofing the barn before the rainy season begins.
工人们在雨季开始前正在给谷仓加盖屋顶。
We have roofed the shed, so the tools will stay dry.
我们已经给棚屋盖了屋顶，所以工具不会受潮。
Choose the next layer that will help you use roofing with more confidence.
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发长 /uː/ 音 (如 food, boot)
Watch the sound change
Use roofing naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
roof 作动词时通常及物；过去式和过去分词均为 roofed，现在分词为 roofing。
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Collins 词频等级为 3，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.