常用的动词有:
be combined in/into …
compose
constitute
form
make up
be composed of …
be made up of …
consist of …
comprise
contain 包含,包括
comprise 1.包含,包括 2.组成,构成
常用的名词有:
component 成分,组成
composition 组成,成分
constitution 构造,组成
constituent 成分,要素
content 内容,含量
formation 形成;构成
ingredient 成分,配料
make up 组成,构造
Steel is composed of iron and a number of other elements .
钢是由铁和若干种其他元素构成的。
Brass consists of copper and zinc .
黄铜由铜和锌构成。
The atmosphere comprises a number of gases .
大气由许多种气体构成。
Cast-iron is made up of about six different substances .
铸铁大约由 6 种不同的物质构成。
Sometimes two different types of machines are combined in a complex one .
有时两台不同的机器组成一台复杂的机器。
Ferrite and carbon make up mild steel .
铁素体和碳构成软钢。
Ferrite and carbon are the constituents of mild steel.
铁素体和碳是软钢的成分。
The composition of cast-iron is different for different purposes .
铸铁的成分随不同的用途而有所不同。
The alloy contains 5% nickel and 5% iron .
这合金含有 5%的镍和5%的铁。
The carbon content of wrought-iron is vary low .
熟铁的碳含量很低。
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