People used to test coins that were offered in payment, to see if they rang true or were made of false metal.

过去人们在收到付款时，常常试扔一下硬币，听听其声音是真的，还是由假金属制作的。

The fence was made of posts joined together with wire.

篱笆是以铁丝连接起木桩而构成的。

Light often behaves as if it were made of particles.

光常常表现出好象它是由粒子组成似的。

The doors of the palace were made of beaten gold.

宫殿的门由金箔做成。

The taps appeared to be made of solid gold.

水龙头似乎是用纯金制成的。

The pipes should be made of plastic .

这些管子应该是用塑料制作的。

A boat must be made of buoyant material.

船一定要用有浮力的材料来做.

Mr. Jones buys his children everything they want. He must be made of money.

孩子们要什么琼斯先生就给他们买什么, 他一定很有钱.

Two important criticisms can be made of the Kleppe opinion.

对“克莱珀”一案的观点可以有两种重要的批评.

What, exactly, will nanoparticles be made of?

准确地说, 纳米粒子是由什么构成的?

A button can be made of bone, wood, glass, or plastic.

扭扣可以用骨头 、 木头 、 玻璃或塑料制成.

It enables an estimate to be made of the reserves , including sphalerite.

它可以用来估计包括闪锌矿在内的储量.

Many practical uses can be made of geologic sections.

地质剖面图具有许多实际用途.

Clothes shouldn be made of inflammable material.

衣服不应用易燃的衣料做.

Some people have suggested that holograms should be made of all famous works of art.

有人建议把所有著名的艺术品拍摄成全息照相.

It may be made of cloth or leather.

可以是布的或者是皮的.

Too much fuss can be made of very young children.

对幼儿可能过于溺爱.

The mattress and cushioning material used should be made of approved material.

床垫和缓冲材料应采用经认可的材料.

It can be made of high - grade float glass or tempered glass, etc.

它可由高级浮法玻璃、钢化玻璃等制成.