silica is [a/an] [adjective] solid
silica 通常作不可数名词,谓语动词用单数。
Silica is a white vitreous solid.
二氧化硅是一种白色玻璃质固体。
硅石;二氧化硅
先理解核心含义,再看它在真实句子里的用法。
硅石;二氧化硅
a white or colorless glassy solid (silicon dioxide) that occurs naturally in the earth's crust in forms such as quartz
Silica is a white vitreous solid.
二氧化硅是一种白色玻璃质固体。
二氧化硅。
Silicon dioxide.
硅酸盐矿物中硅石族的任一种。
Any of the silica group of the silicate minerals.
Sand is mostly made of silica, which is used to produce glass.
沙子主要由二氧化硅构成,用于生产玻璃。
A small bag of silica gel helps keep new shoes dry.
一小袋硅胶有助于让新鞋保持干燥。
Workers should protect themselves from silica dust on construction sites.
工人在建筑工地上应保护自己免受二氧化硅粉尘的伤害。
silica 通常作不可数名词,谓语动词用单数。
Silica is a white vitreous solid.
二氧化硅是一种白色玻璃质固体。
表示“存在于某处”时,常用 occur in/at。
Silica occurs in the earth's crust.
二氧化硅存在于地壳中。
Not this
The glass is made of silicon.
Use this
The glass is made of silica.
silicon 指元素硅,silica 指二氧化硅(硅石);玻璃的原料是二氧化硅,不是硅单质,因此要用 silica。
Not this
There are many silicas in this sand.
Use this
There is a lot of silica in this sand.
silica 在这里是不可数物质名词,表示“二氧化硅”时不能用复数,也不能用 many 修饰;应改用 a lot of 或 much。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
硅胶
The sachet is filled with silica gel to absorb moisture.
这个小袋中装有硅胶以吸收湿气。
硅砂
Silica sand is a key ingredient in glassmaking.
硅砂是玻璃制造的关键原料。
硅尘
Workers must wear masks to avoid inhaling silica dust.
工人必须佩戴口罩以避免吸入硅尘。
结晶二氧化硅
Crystalline silica is found in stone and concrete.
结晶二氧化硅存在于石材和混凝土中。
熔凝硅石
Fused silica can withstand very high temperatures.
熔凝硅石能承受非常高的温度。
胶体二氧化硅
Colloidal silica is used in polishing and coating.
胶体二氧化硅用于抛光和涂层。
Use silica naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想:silica 开头 sili 同 silicon(硅),ca 像 car;汽车玻璃由硅石/二氧化硅制成,牢记 silica=硅石。
语域:formal 常见场景:chemistry、materials science、geology and mineralogy silica 属于科技/专业术语,通常用于化学、材料科学、地质等书面或学术语境,日常口语中比较少见;表达“二氧化硅/硅石”时正式文本更常用该词。
basilica 与 silica 真正押韵(/-ɪlɪkə/)。replica 拼写结尾同为 -ica,但重音不同,不押韵;silicon、silicone、cilia 是形近词,发音均与 silica 不同。
Dictionary facts from ECDICT, WIKTIONARY.