a set of printed pages that are held together in a cover so that we can turn them and read them

书, 册子

an object that has hair or thin pieces of plastic or wood attached to a handle that we use for making our hair tidy

刷子

a small card that contains contact information for a person or company, used to share and promote professional connections

名片, 商务卡

a device or piece of equipment for taking photographs, making movies or television programs

相机, 照相机

an electronic device used for listening to audio files or for storing digital data

iPod, 音频播放器

a specially shaped piece of metal used for locking or unlocking a door, starting a car, etc.

钥匙, 匙

a cellular phone or cell phone; a phone without any wires and with access to a cellular radio system that we can carry with us and use anywhere

手机, 移动电话

an official document issued by a government that identifies someone as a citizen of a particular country, which is needed when leaving a country and entering another one

护照

a paper or electronic document that a person needs to buy in order to travel on a train

火车票, 列车票

an object with a circular folding frame covered in cloth, used as protection against rain or sun

雨伞, 遮阳伞

something made of leather, cloth, plastic, or paper that we use to carry things in, particularly when we are traveling or shopping

包, 袋

a global computer network that allows users around the world to communicate with each other and exchange information

互联网

a person's closest and most trusted friend, with whom they share a strong bond and deep understanding

最好的朋友, 最亲密的朋友

used when we want to talk about a person or thing for the first time or when other people may not know who or what they are

一个, 一

used before a singular noun that starts with a vowel sound, when we are not talking about a specific person or thing

一个, 一个

