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provide insulation against sth
The foam provides insulation against heat loss.
泡沫提供隔热，防止热量流失。
隔离；孤立
先理解核心含义，再看它在真实句子里的用法。
隔离；孤立
the state of being isolated or detached
The foam provides insulation against heat loss.
泡沫提供隔热，防止热量流失。
绝缘的行为；与其他物体分离；隔离。
The act of insulating; detachment from other objects; isolation.
被绝缘的状态；与其他物体分离；隔离。
The state of being insulated; detachment from other objects; isolation.
用于减少热量进出建筑物的各种材料。
Any of a variety of materials designed to reduce the flow of heat, either from or into a building.
用非导体将物体与其他物体分离,以防止电、热或声音传递的行为。
The act of separating a body from others by nonconductors, so as to prevent the transfer of electricity, heat, or sound
The attic needs better insulation to keep the house warm in winter.
阁楼需要更好的隔热材料，以在冬天保持房屋温暖。
Electricians use special tape as insulation for wires.
电工使用特殊胶带作为电线的绝缘层。
The thick walls provide good sound insulation between the rooms.
厚厚的墙壁在房间之间提供了良好的隔音效果。
The foam provides insulation against heat loss.
泡沫提供隔热，防止热量流失。
The house has good insulation from the cold.
这房子隔冷效果好。
The layer of air acts as insulation between the two surfaces.
空气层在两面之间起到绝缘作用。
Not this
You should insulation the wires to prevent electric shock.
Use this
You should insulate the wires to prevent electric shock.
insulation 是名词，不能直接作谓语。表示‘使绝缘’需用动词 insulate。
Not this
There are many insulations in the market.
Use this
There is a lot of insulation in the market.
insulation 作为绝缘材料通常为不可数名词，一般不用复数形式。表示数量多应使用 a lot of 等修饰不可数名词的表达。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
隔热
The building needs better thermal insulation to reduce energy consumption.
这栋建筑需要更好的隔热以减少能源消耗。
隔音
They installed sound insulation in the walls to block out noise.
他们在墙上安装了隔音材料以阻挡噪音。
电绝缘
Rubber gloves provide electrical insulation for electricians.
橡胶手套为电工提供电绝缘。
绝缘材料
Fiberglass is a common insulation material for attics.
玻璃纤维是阁楼常用的绝缘材料。
绝缘层
A thick insulation layer prevents heat loss in winter.
厚厚的绝缘层能防止冬季热量流失。
绝缘电阻
Test the insulation resistance of the cable before installation.
安装前测试电缆的绝缘电阻。
Use insulation naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想‘in 鞋里’的隔离层，帮助记忆绝缘。
通常用于正式或技术语境，多指电学或建筑中的绝缘、隔热材料，也可比喻社会孤立。
Words like revelation, population, congratulation, isolation, and regulation rhyme with insulation (stress on -leɪ-). Station is a lookalike with stress on the first syllable, so it does not rhyme.
Dictionary facts from ECDICT, WIKTIONARY.