be made of...

英 /bi ˈmeɪd əv/美 /bi ˈmeɪd əv/

v. 短语动词

由...制成;由...构成

词义说明

「be made of」的本义是“由...制成”,强调制成品中能看出原材料,物理或化学性质未改变,例如“The table is made of wood.”(桌子是木头做的),木头仍可见。引申义为“由...构成”,用于抽象概念,如“The committee is made of ten members.”(委员会由十名成员组成),此时不强调可见性,而强调组成部分。另一个引申义是“具有...特质”,如“He is made of stronger stuff.”(他更坚强),这里用材料比喻人的性格。各义项间关系清晰:从具体到抽象,从物质到精神。

词源解析

该短语由“be”动词、“made”(make的过去分词)和介词“of”组成。“make”源自古英语“macian”,意为“制作、构建”。“of”源自古英语“of”,表示来源或材料。构词逻辑是:被动语态“be made”加上“of”引出材料。记忆时可联想“made of”强调“看得见材料”,如“made of gold”(金子做的)中金子可见。

使用场景

该短语广泛用于日常口语和书面语。在日常口语中,常用来描述物品的材料,如“What is this made of?”(这是什么做的?)。在学术写作中,用于描述物质的组成,如“The alloy is made of copper and zinc.”(这种合金由铜和锌组成),语气客观正式。在新闻报道中,用于说明产品的成分,如“The toy is made of recycled plastic.”(玩具由回收塑料制成),强调环保。在文学作品中,可用于比喻,如“Her heart is made of ice.”(她的心是冰做的),表达冷漠。商务邮件中较少直接使用,但描述产品材质时会用到。各场景下含义基本一致,但文学中可能带修辞色彩。

语法要点

该短语是系表结构,其中“be”是系动词,随主语变化,“made”是过去分词作表语,“of”后接名词或代词。常见句型有:主语 + be made of + 材料。例如“The chair is made of bamboo.”(椅子是竹子做的)。易错点:一是与“be made from”混淆,前者表示能看出原材料,后者表示看不出,如“Paper is made from wood.”(纸由木材制成,看不出木材)。二是“of”后接不可数名词时,不可数名词前不加冠词,如“made of water”但“made of a metal”中“metal”可数,需加冠词。三是注意主谓一致,如“The toys are made of plastic.”

近义辨析

与“be made of”近义的短语有“be made from”、“be made out of”和“be made up of”。“be made from”强调制成品中看不出原材料,如“Bread is made from flour.”(面包由面粉制成,看不到面粉)。“be made out of”与“be made of”相似,但更口语化,且常用于非正式场合,如“The sculpture is made out of scrap metal.”(雕塑由废金属制成)。“be made up of”强调由多个部分构成,常用于抽象或整体,如“The team is made up of five players.”(队伍由五名队员组成)。选择时,若可见原材料用“of”,不可见用“from”,强调组成部分用“up of”,非正式场合可用“out of”。

注意事项

该短语为中性表达,无褒贬色彩,语域中性偏正式,适用于多数场合。常见误用包括:与“be made from”混淆,如误说“The chair is made from wood.”(椅子是木头做的,但通常可见木头,应使用“of”)。另外,不要将“of”省略,如说“The ring is made gold.”(错误)。在口语中,有时用“made of”形容人的性格,如“He's made of money.”(他很有钱),但需注意语境,避免在正式场合使用。

高频搭配

be made of wood
由木头制成
be made of plastic
由塑料制成
be made of metal
由金属制成
be made of glass
由玻璃制成
be made of paper
由纸制成
be made of cotton
由棉制成
be made of stone
由石头制成
be made of recycled material
由回收材料制成

句子示例

The bridge is made of steel and concrete.这座桥由钢和混凝土建成。
This necklace is made of pure gold.这条项链是纯金制成的。
The committee is made of experts from various fields.委员会由来自不同领域的专家组成。
Her dress is made of silk, which feels very soft.她的裙子是丝绸做的,摸起来很柔软。
The toy is made of recycled materials, so it's eco-friendly.这个玩具由回收材料制成,所以很环保。
He is made of stronger stuff than I thought.他比我想象的更坚强。

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