a piece of

Children can either fill up small bottles with colored sand to make a magical little piece of art or put sand on a sticker paper picture to make a great piece of artwork.

小朋友可以用七彩缤纷的彩沙将小瓶子装满，或是用彩沙替贴纸图片上色，制作独一无异的艺术品。

Just slip in a piece of paper.

只要塞进一张纸就行。

How very thoughtless. I'll give him a piece of my mind.

真是太没头脑了，我要告诉他我很生气。

I cut myself on a piece of broken glass.

我被一块碎玻璃划伤了。

Mr. Long was now cutting himself a piece of the pink cake.

朗先生正在给自己切一块粉色蛋糕。

a piece of bread and butter

一块黄油面包

They ceremoniously cut a piece of ribbon, declaring the exhibition open.

他们郑重其事地剪彩，宣布展览开幕。

I've got a piece of grit in my eye.

我眼里进了一粒沙子。

A powerful electric current is passed through a piece of graphite.

给一块石墨通入强电流。

I'm going to have to nut it out on a piece of paper.

我得在纸上计算一下。

A piece of china crunched under my foot.

我踩碎了一块瓷片。

Orpheus intentionally rotates leadership on a piece-by-piece basis, choosing leaders based on their knowledge of, and passion for the particular piece.

Orpheus乐队有意采用了按照不同部分轮换领导的方式，根据每个人的学识和热情，选出一个人来担任某一部分演奏的领导。

The car was found on a piece of waste ground.

那辆车是在一块荒地里发现的。

There was a piece of cloth tied to the dog's collar.

狗项圈上系着一条布。

Under the full consideration on the interaction of the temperature field, the microstructure field and the internal stress field of a quenching test-piece, the numerical calculation models of the three kinds of fields of a shaft-type test-piece are set up.

在充分考虑淬火试件温度场、显微组织场和内应力场相互作用的情况下，建立了轴类淬火试件三种场量的数值计算模型。

He ticked off my name on a piece of paper.

他在一张纸上我的名字旁打了钩。

a piece of laboratory apparatus

一件实验室仪器

Getting rid of him will be a piece of cake.

摆脱掉他就是小事一桩。

You see, every scar represents a person to whom I have given my love. I tear out a piece of my heart and give it to them, and often they give me a piece of their heart that fits into the empty place in my heart.

你看，每个伤疤都代表我为别人献出的一份爱&我掏出一块心给他们，他们常常会掏出自己的一块回赠给我，以填补我的空缺。

He wiped his plate clean with a piece of bread.

他用一块面包把碟子擦干净。

I cut a piece of birthday cake for them all.

我给他们每个人都切了一块生日蛋糕。

He handed her a piece of paper certifying she was in good health.

他递给她一份她的健康证明书。

He hunted vainly through his pockets for a piece of paper.

他翻遍口袋想找一张纸，结果没找到。

a piece of bent wire

一段弯曲的金属丝

It was just a piece of play-acting.

它只是一种作秀而已。

Strain the juice through a piece of gauze or a sieve.

用一块纱布或过滤网将果汁过滤一下。

She cut her finger on a piece of glass.

一块玻璃把她的手指头划破了。

A three-way piece which causes the main ear piece, the auxiliary ear piece and the chest piece to communicate is connected in the bottom rubber pipe of the stethoscope for teaching.

该示教听诊器在下胶管中都接有一个将主、副耳件及胸件接通的三通接头。

Foreign firms will all want a piece of the action if the new airport goes ahead.

要是新机场开始修建，外国公司都会来插一手捞好处。

Let me give you a piece of advice.

让我给你一个忠告。