Word · Frequency #16041
slag
熔渣；矿渣
the scum formed by oxidation at the surface of molten metals
- 1.
Waste material from a mine.
矿山废料
- 2.
the scum formed by oxidation at the surface of molten metals
熔融金属表面氧化形成的浮渣
- 3.
Scum that forms on the surface of molten metal.
熔融金属表面形成的浮渣
- 4.
Impurities formed and separated out when a metal is smelted from ore; vitrified cinders.
金属从矿石中冶炼时形成并分离出的杂质；玻璃化炉渣
- 5.
Hard aggregate remaining as a residue from blast furnaces, sometimes used as a surfacing material.
高炉残留的硬质骨料,有时用作铺面材料
- 6.
Scoria associated with a volcano.
与火山有关的火山渣
矿山废料；熔融金属表面氧化形成的浮渣；熔融金属表面形成的浮渣；金属从矿石中冶炼时形成并分离出的杂质；玻璃化炉渣；高炉残留的硬质骨料,有时用作铺面材料
In use
After the metal cooled, workers removed the slag from the surface of the furnace.
The black slag was poured into molds and later used in road construction.
The welder knocked the slag off the weld before checking the joint.
n. slag from [source]
常作不可数名词，指冶炼等过程中形成的熔渣或矿渣。
The slag from the furnace can be used to make cement.
炉子里产生的熔渣可以用来制造水泥。
vt. slag sth
及物用法，主语常为高温、助熔剂等，宾语为被熔化的金属。
The intense heat slagged the metal.
高温使金属变成了熔渣。
vi. sth slags
不及物用法，主语通常是矿石或杂质，表示变成熔渣。
Connections
Collocations
- blast furnace slag
- 高炉矿渣
- Blast furnace slag can be recycled as a building material.高炉矿渣可回收用作建筑材料。
- molten slag
- 熔融矿渣
- Workers must be careful when handling molten slag.工人在处理熔融矿渣时必须小心。
- slag heap
- 矿渣堆
- The old slag heap remains visible from the village.从村庄仍能看到那个旧矿渣堆。
- slag wool
- 矿渣棉
- Slag wool is often used for thermal insulation.矿渣棉常用于隔热。
- slag cement
- 矿渣水泥
- This bridge was built with slag cement.这座桥是用矿渣水泥建造的。
Idioms & figurative uses
Learner notes
Memory Tip
冶炼后浮在金属表面的渣叫 slag；读音像‘死拉格’，想象工人把黏稠的熔渣死死拉出来。
Context & Register
语域：formal 常见场景：metallurgy、welding、foundry “熔渣/矿渣”这一义项属于工业技术用语，通常出现在冶金、焊接、铸造等专业场景，日常口语中较少使用。
Pronunciation & Spelling
这些词均与 slag 押韵，重读元音及后面的音都是 /æɡ/，拼写也都以 -ag 结尾。注意形近但读音不同的词：slug /slʌɡ/（蛞蝓）、slap /slæp/（掌掴）、slog /slɒɡ/（苦干，英式）。
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.